Product Details | RECESSED WASHER

5310-00-149-9146 A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.

Part Alternates: MS20002C6, MS20002-C6, NAS1436C, NAS143-6C, NASM20002C6, NASM20002-C6, Z00.N5744532425, Z00N5744532425, 000004001220000, 809086, 80908600, 809086-00, 938.75.11.103, 9387511103, 10082396, 21110 FIND 43, 21110FIND43, 2114034, 21140-34, 2117050, 21170-50, 21194 FIND 29, 21194FIND29, 21316 FIND 5, 21316FIND5, 21317 FIND 43, 21317FIND43, 21331 FIND 30, 21331FIND30, 21333 FIND 44, 21333FIND44, 21340 FIND 35, 21340FIND35, 21803 FIND 31, 21803FIND31, 21808 FIND 29, 21808FIND29, 21816-001 FIND 39, 21816001FIND39, 21817 FIND 33, 21817FIND33, 21820 FIND 40, 21820FIND40, 21822 FIND 3, 21822FIND3, 21835 FIND 50, 21835FIND50, 21838 FIND 44, 21838FIND44, 3639800, 36398-00, 5310-00-149-9146, 00-149-9146, 5310001499146, 001499146, 410050020

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-149-9146

Drawings & Photos | NSN 5310-00-149-9146


Demand History | NSN 5310-00-149-9146

Part Number Request Date QTY Origin
MS20002C6 2025-04-91 2 CA
MS20002C6 2025-03-79 200 US
MS20002C6 2024-07-206 100 Japan
MS20002C6 2024-04-116 20 Singapore
MS20002C6 2024-04-116 20 Singapore
MS20002C6 2024-03-64 10 Germany
MS20002C6 2023-12-340 700 Czech Republic
5310-00-149-9146 2023-11-306 50 US
MS20002C6 2023-05-146 50 us
MS20002C6 2023-01-26 2 Lebanon
MS20002C6 2021-10-300 500 United States
5310-00-149-9146 2021-10-284 8 United States
5310-00-149-9146 2021-05-151 24 Malaysia
5310-00-149-9146 2021-05-150 24 MY
MS20002C6 2021-05-144 24 Malaysia
5310-00-149-9146 2020-08-230 20 Australia
5310-00-149-9146 2020-08-230 20 Australia
MS20002C6 2020-06-182 50 MY
MS20002-C6 2020-05-147 1000 US
5310-00-149-9146 2020-03-69 200 United States
5310-00-149-9146 2020-02-55 32 United States
MS20002C6 2019-06-177 102 United States
5310-00-149-9146 2019-05-122 2 GR
MS20002C6 2019-04-120 2 Philippines
5310-00-149-9146 2019-04-95 2000 India
5310-00-149-9146 2019-03-85 2000 Singapore
5310-00-149-9146 2018-10-274 4 United States
MS20002C6 2018-07-206 400 KP
MS20002C6 2018-05-135 8 United States
5310-00-149-9146 2018-03-86 20 US
MS20002C6 2017-12-349 400 US
MS20002C6 2017-10-291 200 India
NASM20002C6 2017-08-235 12 US
MS20002C6 2017-07-198 500 US
MS20002C6 2017-07-198 500 US
MS20002C6 2017-03-79 10 United States
5310-00-149-9146 2017-02-53 36 MANUAL
MS20002C6 2016-11-307 100 Argentina
5310-00-149-9146 2016-08-235 12 United States
5310-00-149-9146 2016-07-200 16 United States
NAS1436C 2015-06-154 12 Philippines
NAS1436C 2015-06-153 12 United States
MS20002C6 2015-05-127 573 Seychelles
MS20002C6 2015-03-79 60 United States
MS20002C6 2015-03-79 60 United States
5310-00-149-9146 2015-01-17 12 United States
5310-00-149-9146 2014-12-350 100 MANUAL
MS20002C6 2014-12-343 4 MY
5310-00-149-9146 2014-12-335 24 United States
MS20002C6 2014-08-241 4 UY
MS20002C6 2014-08-223 10 Belgium
MS20002C6 2014-03-71 184 United States
MS20002C6 2014-01-06 1 US
5310-00-149-9146 2013-11-310 1000 US
MS20002C6 2013-11-308 1 China
NAS1436C 2013-10-288 62 United States
NAS1436C 2013-10-287 16 US
MS20002C6 2013-09-247 1 United States
MS20002C6 2013-08-242 15 US
MS20002C6 2013-04-92 24 United States
MS20002C6 2013-04-92 24 United States
MS20002C6 2012-11-310 148
5310-00-149-9146 2012-07-202 1400 Singapore
MS20002C6 2012-07-191 1008 Canada
MS20002C6 2012-07-187 300 KR
MS20002C6 2012-01-26 8 CA
MS20002-C6 2011-11-313 12 US
MS20002C6 2011-08-229 8 US
5310-00-149-9146 2011-05-130 64 United States
5310-00-149-9146 2011-02-38 6 US
MS20002C6 2011-01-19 200 Canada
5310-00-149-9146 2010-12-361 16 US
5310-00-149-9146 2010-10-301 8 US
5310-00-149-9146 2010-10-285 8 US
MS20002C6 2010-09-272 8 United States
5310-00-149-9146 2010-09-263 250 US
5310-00-149-9146 2010-08-215 183 DIBBS
MS20002C6 2010-06-180 224 US
MS20002C6 2010-03-71 1 us
5310-00-149-9146 2009-12-355 35 US
5310-00-149-9146 2009-06-174 18483 DIBBS
5310-00-149-9146 2009-05-131 9000 United States
5310-00-149-9146 2009-05-127 9000 DIBBS
5310-00-149-9146 2009-05-121 8 US
5310-00-149-9146 2009-04-118 46 DIBBS
5310-00-149-9146 2009-04-93 1000 Turkey
5310-00-149-9146 2009-02-35 10 IT
MS20002C6 2009-01-26 4 Turkey
5310-00-149-9146 2008-12-357 124 DIBBS
NASM20002C6 2008-05-151 250 us
MS20002C6 2008-05-151 7 United States
5310-00-149-9146 2008-04-114 4200 DIBBS
5310-00-149-9146 2008-03-86 100 SE
5310-00-149-9146 2008-01-24 672 DIBBS
5310-00-149-9146 2007-08-243 16 United Kingdom
5310-00-149-9146 2007-02-54 500 United States
5310-00-149-9146 2006-10-289 2 US
MS20002C6 2006-03-81 2000 United States

Cross Reference | NSN 5310-00-149-9146

Part Number Cage Code Manufacturer
000004001220000 F0554 ALKAN
21110 FIND 43 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21140-34 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21170-50 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21194 FIND 29 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21316 FIND 5 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21317 FIND 43 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21331 FIND 30 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21333 FIND 44 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21340 FIND 35 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21803 FIND 31 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21808 FIND 29 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21816-001 FIND 39 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21817 FIND 33 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21820 FIND 40 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21822 FIND 3 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21835 FIND 50 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21838 FIND 44 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
36398-00 53655 AVOX SYSTEMS INC.
410050020 S5652 RAFAEL
5310001499146 SCY13 E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
809086 19203 PICATINNY ARSENAL
809086-00 32345 DEFENSE REDUCTION AGENCY
938.75.11.103 S4080 PILATUS AIRCRAFT LTD
MS20002-C6 0P012 H. V. MODY, INC. DBA MODY AEROSPACE
MS20002-C6 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
MS20002C6 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS20002C6 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
NAS143-6C 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
NASM20002-C6 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
Z00.N5744532425 F0086 SOCATA

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Technical Data | NSN 5310-00-149-9146

Characteristic Specifications
MATERIAL STEEL COMP 1330 OR STEEL COMP 4130 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATOR 15 RECESS
HOLE DIAMETER 0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM
OUTSIDE DIAMETER 0.687 INCHES NOMINAL
RECESS DIAMETER 0.483 INCHES MINIMUM AND 0.495 INCHES MAXIMUM
MATERIAL THICKNESS 0.078 INCHES NOMINAL
RECESS ANGLE 90.0 DEGREES NOMINAL
III MINIMUM TENSILE STRENGTH 125000 POUNDS PER SQUARE INCH
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS20002C6

Restrictions/Controls & Freight Information | NSN 5310-00-149-9146

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 194160 WASHER OR GASKETS, IRON OR STEEL,
Less than car load rating
Less than truck load rating U 50.0
Water commodity Code 713 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5310-00-149-9146

Category Code Description
Materiel Category and Inventory ManagerT Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic CodeB Rotary Wing Aircraft
Weapons Systems/End Item or Homogeneous GroupBJAH-64 Airframe
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
HD : Each
Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
HD : Each
Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code2Non-Critical Repair Part. Repair parts or major components whose failure in an end item will not render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency, and which do not fit the definition of Code 3 or 4 items.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
HD : Each
Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
HD : Each