Product Details | LOCK WASHER

5310-00-012-1637 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: MS3533725, MS35337-25, MS3533825, MS35338-25, MPR957619BLH15, MPR9576-19BLH15, MPR957619BRH15, MPR9576-19BRH15, N405P11C, A2500, FFW84, XX0020681, XX002-0681, 85299900, 852999-00, 121637, 25704281210450, 25704-281210-45-0, 25704281220110, 25704-281220-11-0, 26410025, 34825S8, 356263S7, 5118734, 5118-73-4, 5310-00-012-1637, 00-012-1637, 5310000121637, 000121637

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1961 00-012-1637

Drawings & Photos | NSN 5310-00-012-1637


Demand History | NSN 5310-00-012-1637

Part Number Request Date QTY Origin
FFW84 2025-03-86 1 US
FFW84 2025-03-85 1 United States
MS3533825 2024-07-185 112 United States
MS3533825 2014-12-356 15 US
MS3533825 2011-06-180 16 United States
5310-00-012-1637 2011-06-180 16 United States

Cross Reference | NSN 5310-00-012-1637

Part Number Cage Code Manufacturer
121637 12204 DAIMLER CHRYSLER
121637 18876 U S ARMY AVIATION AND MISSILE COMMAND
121637 24617 GENERAL MOTORS CORP
121637 56442 DIAMOND REO TRUCK CO
25704-281210-45-0 D1839 BUNDESAMT FUER AUSRUESTUNG,
25704-281210-45-0 D2692 KRAUSS-MAFFEI WEGMANN GMBH & CO. KG-WERK KASSEL-
25704-281220-11-0 D1839 BUNDESAMT FUER AUSRUESTUNG,
25704-281220-11-0 D2692 KRAUSS-MAFFEI WEGMANN GMBH & CO. KG-WERK KASSEL-
26410025 F1619 PERKINS FRANCE
34825S8 23040 FORD MOTOR CO FORD PARTS AND SERVICE DIV
356263S7 23040 FORD MOTOR CO FORD PARTS AND SERVICE DIV
5118-73-4 79466 AESYS TECHNOLOGIES, L.L.C. DBA JACKSON & CHURCH HVAC GLOBAL
5118-73-4 80372 MARINE CORPS
852999-00 32345 DEFENSE REDUCTION AGENCY
A2500 08302 BRADEN CARCO GEARMATIC DIV OF PACCAR INC
FFW84 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
MPR9576-19BLH15 91340 MET-PRO CORPORATION
MPR9576-19BRH15 91340 MET-PRO CORPORATION
MS35337-25 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS35337-25 D5589 FEINMECHANISCHE WERKE MAINZ GMBH
MS35337-25 D9893 LIEBHERR-AEROSPACE LINDENBERG GMBH
MS35338-25 D5589 FEINMECHANISCHE WERKE MAINZ GMBH
MS35338-25 D9893 LIEBHERR-AEROSPACE LINDENBERG GMBH
N405P11C 24446 GENERAL ELECTRIC CO
XX002-0681 H2229 RDM TECHNOLOGY B.V.

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Technical Data | NSN 5310-00-012-1637

Characteristic Specifications
MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD ALL MATERIAL RESPONSES OR AISI NATIONAL SPEC ALL MATERIAL RESPONSES OR SAE NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT CADMIUM OR ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL
HARDNESS RATING 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR 108 SPLIT HELICAL-RIGHT HAND
HOLE DIAMETER 0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM
OUTSIDE DIAMETER 0.489 INCHES MAXIMUM
MATERIAL THICKNESS 0.047 INCHES MINIMUM AND 0.057 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA 1 STYLE AND A CLASS
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFW84
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS35337-25

Restrictions/Controls & Freight Information | NSN 5310-00-012-1637

Category Code Description
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.
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