Product Details | RECESSED WASHER

5310-00-596-1766 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: MS20002C4, NAS1434C, NAS143-4C, BC22P301, 85162900, 851629-00, 938.75.11.101, 9387511101, 1434C, 143-4C, 21110 FIND 41, 21110FIND41, 2117048, 21170-48, 21317 FIND 41, 21317FIND41, 21342 FIND 45, 21342FIND45, 21808 FIND 27, 21808FIND27, 21835 FIND 52, 21835FIND52, 52103 FIND 52, 52103FIND52, 5310-00-596-1766, 00-596-1766, 5310005961766, 005961766

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-596-1766

Drawings & Photos | NSN 5310-00-596-1766


Demand History | NSN 5310-00-596-1766

Part Number Request Date QTY Origin
5310-00-596-1766 2025-05-142 260 KR
5310-00-596-1766 2025-05-140 260 KR
5310-00-596-1766 2024-12-344 250 United States
5310-00-596-1766 2024-09-271 27260 United States
MS20002C4 2024-09-256 120 AU
5310-00-596-1766 2023-07-194 10 United States
5310-00-596-1766 2022-09-255 3000 Singapore
MS20002C4 2022-07-208 20 Malaysia
MS20002C4 2022-05-140 3 Malaysia
MS20002C4 2021-06-167 6 MY
MS20002C4 2021-06-167 6 TR
MS20002C4 2021-06-165 6 US
MS20002C4 2021-01-05 3 AT
MS20002C4 2020-09-259 10 United States
MS20002C4 2020-03-65 50 United States
1434C 2019-06-178 3365 United States
5310-00-596-1766 2019-02-45 2000 India
NAS1434C 2019-02-42 2000 SG
MS20002C4 2019-02-42 200 Lebanon
5310-00-596-1766 2019-01-30 2000 US
MS20002C4 2018-11-331 6 US
MS20002C4 2018-06-172 25 US
MS20002C4 2017-12-349 400 US
MS20002C4 2017-07-198 500 US
5310-00-596-1766 2016-11-312 10 India
MS20002C4 2016-11-307 100 Argentina
MS20002C4 2016-02-42 6 Turkey
MS20002C4 2015-11-327 3 Malaysia
5310-00-596-1766 2015-11-313 120 Malaysia
5310-00-596-1766 2015-11-307 120 Malaysia
5310-00-596-1766 2015-08-214 361 DIBBS
5310-00-596-1766 2015-07-186 973 DIBBS
5310-00-596-1766 2015-05-125 184 DIBBS
5310-00-596-1766 2015-04-96 227 DIBBS
5310-00-596-1766 2015-03-82 180 DIBBS
5310-00-596-1766 2014-12-350 100 MANUAL
MS20002C4 2014-06-175 4 US
MS20002C4 2014-06-154 8 US
MS20002C4 2013-11-319 1000 US
MS20002C4 2013-10-288 8 United States
MS20002C4 2013-09-261 16 US
MS20002C4 2013-08-225 312 US
MS20002C4 2013-05-134 50 CZ
MS20002C4 2013-04-107 4 US
MS20002C4 2012-11-310 50
5310-00-596-1766 2012-06-156 100 United States
MS20002C4 2012-02-45 300 US
MS20002C4 2011-03-73 150 US
5310-00-596-1766 2011-03-63 24000 United States
5310-00-596-1766 2011-01-14 60 US
MS20002C4 2011-01-04 24 United States
MS20002C4 2010-09-272 40 United States
MS20002C4 2010-09-259 600 United States
5310-00-596-1766 2010-07-207 1 Malaysia
MS20002C4 2010-06-180 100 US
MS20002C4 2010-06-166 605 United States
MS20002C4 2010-05-144 750 Italy
5310-00-596-1766 2010-05-124 3 Canada
NAS1434C 2010-03-62 12 Cyprus
NAS1434C 2010-01-17 12 Cyprus
5310-00-596-1766 2009-11-309 7 US
5310-00-596-1766 2009-11-309 100 US
5310-00-596-1766 2009-10-288 16 United States
5310-00-596-1766 2009-10-288 16 United States
5310-00-596-1766 2009-10-288 9 United States
5310-00-596-1766 2009-08-232 20 ZA
5310-00-596-1766 2009-01-08 3 Turkey
5310-00-596-1766 2009-01-08 3 Turkey
5310-00-596-1766 2008-09-259 555 DIBBS
5310-00-596-1766 2008-03-86 100 SE
5310-00-596-1766 2008-03-83 15 us
5310-00-596-1766 2008-02-45 96 United Kingdom
MS20002C4 2006-08-219 8 Saudi Arabia

Cross Reference | NSN 5310-00-596-1766

Part Number Cage Code Manufacturer
143-4C 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
21110 FIND 41 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21170-48 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21317 FIND 41 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21342 FIND 45 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21808 FIND 27 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
21835 FIND 52 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
52103 FIND 52 78062 DOVER ENGINEERED SYSTEMS, INC. DBA SARGENT CONTROLS & AEROSPACE
851629-00 32345 DEFENSE REDUCTION AGENCY
938.75.11.101 S4080 PILATUS AIRCRAFT LTD
BC22P301 59310 ABB KENT-TAYLOR INC
MS20002C4 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS20002C4 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
NAS143-4C 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5310-00-596-1766

Characteristic Specifications
MATERIAL STEEL COMP 1330 OR STEEL COMP 4130 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD ALL MATERIAL RESPONSES 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 0.252 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
OUTSIDE DIAMETER 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM
RECESS DIAMETER 0.334 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
MATERIAL THICKNESS 0.068 INCHES MINIMUM AND 0.088 INCHES MAXIMUM
RECESS ANGLE 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5310-00-596-1766

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 5310-00-596-1766

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
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