PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12387302-44Washer,lock

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5310-00-682-5930 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-682-5930 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-682-5930. Primary manufacturer part number: 12387302-44.
Features
  • Washer,lock — FSC 5310
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Outside Diameter: 0.535 INCHES MAXIMUM IN
  • Material Thickness: 0.084 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Nondefinitive Spec/std Data: 1 STYLE AND A CLASS
  • Material: STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
  • Surface Treatment: CADMIUM OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1060 or Steel Comp 1561 or Steel Comp 1064 or Steel Comp 1065 or Steel Comp 1566 or Steel Comp 1069 or Steel Comp 1070 or Steel Comp 1572 or Steel Comp 1074 or Steel Comp 1075 or Steel Comp 1078 or Steel Comp 1080 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-682-5930, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-682-5930
Primary Part Number12387302-44
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Style DesignatorSPLIT HELICAL-RIGHT HAND
Outside Diameter0.535 INCHES MAXIMUM IN
Material Thickness0.084 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Nondefinitive Spec/std Data1 STYLE AND A CLASS
MaterialSTEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
Surface TreatmentCADMIUM OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Hole Diameter0.254 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5310-00-013-1098 INTERCHANGEABLE
Washer,lock
2805-00-354-08221885 INTERCHANGEABLE
Ring Set,piston
Spirolox Inc
2805-00-586-5227X-1856 INTERCHANGEABLE
Valve,poppet,engine
Federal-Mogul Corp Government Sales Dept
5950-00-645-4475 INTERCHANGEABLE
Transformer,radio Frequency
5310-00-782-13490188-5 INTERCHANGEABLE
Washer,flat
Honeywell International Inc. Dba Honeywell International
5910-00-829-01110180-0063 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
4730-00-885-57949026870 INTERCHANGEABLE
Fitting,lubrication
Us Army Aviation and Missile Command
5331-01-169-4573510-483 INTERCHANGEABLE
O-Ring
Kirby Morgan Dive Systems Inc
5950-01-232-320613575 INTERCHANGEABLE
Coil,electrical
Magnetika Inc
5930-01-238-4446 INTERCHANGEABLE
Switch,push
Cross-Reference Index
Part NumberManufacturer
12387302-44 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
10082563 Nimikkeistokeskus Ncb Finland (FIN)
B4525-308-29 Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA)
MS35339-25 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
5310006825930 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
BM11646-04 Demarkus Corp Refrigeration Engineering Corp (USA)
855-11-2120-07 Sola Basic Industries Inc Sola Electric Div (USA)
1885 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
852895-00 Defense Reduction Agency (USA)
TIP01374 Cecom Lr Center (USA)
N405P111C16 General Electric Company (USA)
MS35340-44 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-013-1098INTERCHANGEABLE
WASHER,LOCK
2805-00-354-0822INTERCHANGEABLE
RING SET,PISTON
1885
2805-00-586-5227INTERCHANGEABLE
VALVE,POPPET,ENGINE
X-1856
5950-00-645-4475INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5310-00-782-1349INTERCHANGEABLE
WASHER,FLAT
0188-5
5910-00-829-0111INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
0180-0063
4730-00-885-5794INTERCHANGEABLE
FITTING,LUBRICATION
9026870
5331-01-169-4573INTERCHANGEABLE
O-RING
510-483
5950-01-232-3206INTERCHANGEABLE
COIL,ELECTRICAL
13575
5930-01-238-4446INTERCHANGEABLE
SWITCH,PUSH
5905-01-307-6232INTERCHANGEABLE
RESISTOR,FIXED,FILM
188-5

Frequently Asked Questions

What is NSN 5310-00-682-5930?

NSN 5310-00-682-5930 is a Washer,lock, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-682-5930?

NSN 5310-00-682-5930 has 12 cross-referenced part numbers: 12387302-44 (U S Army Tank Automotive Command Amsta-Im-Mm), 10082563 (Nimikkeistokeskus Ncb Finland), B4525-308-29 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters), MS35339-25 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 5310006825930 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee) and 7 more.

What NSN replaces 5310-00-682-5930?

There are 11 known substitutes for 5310-00-682-5930: 5310-00-013-1098, 2805-00-354-0822, 2805-00-586-5227 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12387302-44?

Key specifications for 12387302-44: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.535 INCHES MAXIMUM IN; End Item Identification: MRAP BUFFALO MK2A2; MRAP - COUGAR; Material Thickness: 0.084 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-682-5930 still in active supply?

NSN 5310-00-682-5930 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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