Product Details | LOCK WASHER

5310-00-187-2429 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: MS35338124, MS35338-124, SS12521134116, SS125-2113411-6, SSBN6401252113411PC6, SSBN640-125-2113411PC6, FFW84, FF-W-84, 004003005005, 004-003005-005, 2620709X4PC134, 2620-709X4PC134, 67442399, 6744239-9, 983026PC17, 5310-00-187-2429, 00-187-2429, 5310001872429, 001872429

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-187-2429

Drawings & Photos | NSN 5310-00-187-2429


Demand History | NSN 5310-00-187-2429

Part Number Request Date QTY Origin
5310-00-187-2429 2025-05-133 700 United States
FFW84 2025-03-86 1 US
FFW84 2025-03-85 1 United States
5310-00-187-2429 2023-01-16 31 DIBBS
5310-00-187-2429 2018-06-173 1 DIBBS-RFPs
5310-00-187-2429 2018-02-58 53 DIBBS
5310-00-187-2429 2018-02-50 53 DIBBS
5310-00-187-2429 2016-03-87 97 DIBBS
5310-00-187-2429 2015-11-312 35 DIBBS
5310-00-187-2429 2012-08-226 261 DIBBS
5310-00-187-2429 2010-05-124 200 DIBBS
5310-00-187-2429 2010-03-84 50 DIBBS
5310-00-187-2429 2008-10-289 120 DIBBS
5310-00-187-2429 2008-04-102 103 DIBBS

Cross Reference | NSN 5310-00-187-2429

Part Number Cage Code Manufacturer
004-003005-005 26916 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MULTIPLE
2620-709X4PC134 96169 ELECTRIC BOAT CORPORATION
5310001872429 SCY13 E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
6744239-9 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
983026PC17 81316 PORTSMOUTH NAVAL SHIPYARD
FF-W-84 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
MS35338-124 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
SS125-2113411-6 80064 NAVAL SHIP SYSTEMS COMMAND
SSBN640-125-2113411PC6 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 5310-00-187-2429

Characteristic Specifications
MATERIAL NICKEL ALLOY A OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 33.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR 108 SPLIT HELICAL-RIGHT HAND
HOLE DIAMETER 0.509 INCHES MINIMUM AND 0.523 INCHES MAXIMUM
OUTSIDE DIAMETER 0.873 INCHES MAXIMUM
MATERIAL THICKNESS 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
III MINIMUM TENSILE STRENGTH 155000 POUNDS PER SQUARE INCH
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FF-W-84
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS35338-124

Restrictions/Controls & Freight Information | NSN 5310-00-187-2429

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
No Freight Information