Product Details | LOCK WASHER

5310-00-974-6642 A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Part Alternates: MS35338148, MS35338-148, MS3533891, MS35338-91, BR105138, BR1051-3-8 , C08838, C088-3-8 , D301088 FIND NO 85, D301088FINDNO85, D305308 FIND NO 115, D305308FINDNO115, D320448 FIND 109, D320448FIND109, E101286 PC NO 66, E101286PCNO66, E102170 PC NO 66, E102170PCNO66, E103972 FIND 66, E103972FIND66, E104459 FIND 66, E104459FIND66, E108609 FIND 129, E108609FIND129, FFW84, FF-W-84, P09238, P092-3-8 , R367538, R3675-3-8 , WG105388, WG107388, X476138, X4761-3-8 , 10121903 , 358084ITEM160, 35808-4ITEM160, 50P001820146, 50P00182-0146, 004003005029, 004-003005-029, 5310-00-974-6642, 00-974-6642, 5310009746642, 009746642

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 07 OCT 1966 00-974-6642

Drawings & Photos | NSN 5310-00-974-6642


Demand History | NSN 5310-00-974-6642

Part Number Request Date QTY Origin
5310-00-974-6642 2025-11-317 1120 DIBBS
FFW84 2025-03-86 1 US
FFW84 2025-03-85 1 United States
5310-00-974-6642 2024-06-177 1263 DIBBS
5310-00-974-6642 2022-10-290 1180 DIBBS
5310-00-974-6642 2022-10-277 1180 DIBBS
5310-00-974-6642 2020-10-281 36 United States
5310-00-974-6642 2020-10-281 48 United States
5310-00-974-6642 2018-12-336 637 DIBBS
5310-00-974-6642 2018-01-24 1840 DIBBS
5310-00-974-6642 2016-08-214 257 DIBBS
5310-00-974-6642 2016-03-82 1744 DIBBS
5310-00-974-6642 2015-08-221 1283 DIBBS
MS35338148 2015-06-175 1000 United States
5310-00-974-6642 2014-05-149 1103 DIBBS
5310-00-974-6642 2011-05-123 1129 DIBBS
5310-00-974-6642 2011-03-75 1149 DIBBS
MS35338148 2010-06-168 30 US
MS35338148 2010-06-154 48 United States
5310-00-974-6642 2009-12-336 1715 DIBBS
5310-00-974-6642 2009-06-155 1715 DIBBS
5310-00-974-6642 2009-05-125 1027 DIBBS
5310-00-974-6642 2008-04-112 906 DIBBS

Cross Reference | NSN 5310-00-974-6642

Part Number Cage Code Manufacturer
004-003005-029 26916 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MULTIPLE
35808-4ITEM160 95402 ELECTRIC BOAT CORP DBA ELECTRO DYNAMIC
50P00182-0146 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
D301088 FIND NO 85 3X894 CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIV
D305308 FIND NO 115 3X894 CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIV
D320448 FIND 109 3X894 CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIV
E101286 PC NO 66 3X894 CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIV
E102170 PC NO 66 3X894 CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIV
E103972 FIND 66 3X894 CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIV
E104459 FIND 66 3X894 CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIV
E108609 FIND 129 3X894 CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIV
FF-W-84 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
MS35338-148 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS35338-148 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS35338-91 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
WG105388 3X894 CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIV
WG105388 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
WG107388 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT

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Technical Data | NSN 5310-00-974-6642

Characteristic Specifications
MATERIAL STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 385 OR STEEL COMP 302 OR STEEL COMP 384 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR 108 SPLIT HELICAL-RIGHT HAND
HOLE DIAMETER 1.042 INCHES MINIMUM AND 1.071 INCHES MAXIMUM
OUTSIDE DIAMETER 1.661 INCHES MAXIMUM
MATERIAL THICKNESS 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FF-W-84

Restrictions/Controls & Freight Information | NSN 5310-00-974-6642

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 013630 ALUM RIVETS
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 713 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
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
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 KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
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 5310-00-974-6642

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 Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
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
H
EA : 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.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
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
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.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
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
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
LB : Pounds
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
H
EA : 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
H
EA : 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
H
EA : Each