PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

87500CWasher,lock

Brockway Motor Trucks Div of Mack Trucks Inc · NSN 5310-00-013-8502 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-013-8502 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-013-8502. Primary manufacturer part number: 87500C.
Features
  • Washer,lock — FSC 5310
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Material: STEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1552 OR STEEL COMP 1053 OR STEEL COMP 1054 OR STEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1062 OR STEEL COMP 1064 OVERALL
  • Style Designator: FLAT EXTERNAL TEETH
  • 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
  • Outside Diameter: 1.045 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN
  • Material Thickness: 0.042 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
  • Hole Diameter: 0.641 INCHES MINIMUM AND 0.663 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1050 or Steel Comp 1551 or Steel Comp 1552 or Steel Comp 1053 or Steel Comp 1054 or Steel Comp 1055 or Steel Comp 1059 or Steel Comp 1060 or Steel Comp 1561 or Steel Comp 1062 or Steel Comp 1064 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-013-8502, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brockway Motor Trucks Div of Mack Trucks Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-013-8502
Primary Part Number87500C
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBrockway Motor Trucks Div of Mack Trucks Inc
StatusACTIVE
Surface TreatmentCADMIUM OR ZINC OVERALL
MaterialSTEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1552 OR STEEL COMP 1053 OR STEEL COMP 1054 OR STEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1062 OR STEEL COMP 1064 OVERALL
Style DesignatorFLAT EXTERNAL TEETH
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OR AISI NATIONAL SPEC ALL MATERIAL RESPONSES OR SAE NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL
Outside Diameter1.045 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN
Material Thickness0.042 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
Hole Diameter0.641 INCHES MINIMUM AND 0.663 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1336-00-070-2472 INTERCHANGEABLE
Generator,gas Pressure,propellan
5999-00-368-4131SK138502 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5310-00-800-0695 INTERCHANGEABLE
Washer,lock
2915-00-942-86639-665-4 INTERCHANGEABLE
Housing,valve,nomodulating,fuel
Parker-Hannifin Corporation Dba Pneutronics
5310-01-199-9471138502 INTERCHANGEABLE
Washer,lock
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
87500C Brockway Motor Trucks Div of Mack Trucks Inc (USA)
853698 Us Army Aviation and Missile Command (USA)
5310000138502 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
138502 General Motors Corp (USA)
N18460M Diamond Reo Truck Co (USA)
MS35335-25 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
1336-00-070-2472INTERCHANGEABLE
GENERATOR,GAS PRESSURE,PROPELLAN
5999-00-368-4131INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
SK138502
5310-00-800-0695INTERCHANGEABLE
WASHER,LOCK
2915-00-942-8663INTERCHANGEABLE
HOUSING,VALVE,NOMODULATING,FUEL
9-665-4
5310-01-199-9471INTERCHANGEABLE
WASHER,LOCK
138502

Frequently Asked Questions

What is NSN 5310-00-013-8502?

NSN 5310-00-013-8502 is a Washer,lock, manufactured by Brockway Motor Trucks Div of Mack Trucks Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-013-8502?

NSN 5310-00-013-8502 has 6 cross-referenced part numbers: 87500C (Brockway Motor Trucks Div of Mack Trucks Inc), 853698 (Us Army Aviation and Missile Command), 5310000138502 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 138502 (General Motors Corp), N18460M (Diamond Reo Truck Co) and 1 more.

What NSN replaces 5310-00-013-8502?

There are 5 known substitutes for 5310-00-013-8502: 1336-00-070-2472, 5999-00-368-4131, 5310-00-800-0695 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 87500C?

Key specifications for 87500C: Surface Treatment: CADMIUM OR ZINC OVERALL; Material: STEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1552 OR STEEL COMP 1053 OR STEEL COMP 1054 OR STEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1062 OR STEEL COMP 1064 OVERALL; Style Designator: FLAT EXTERNAL TEETH; 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. 7 total characteristics are documented in the Federal Logistics Information System.

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