PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

131036Washer,lock

General Motors Corp · NSN 5310-00-013-1036 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-013-1036 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-013-1036. Primary manufacturer part number: 131036.
Features
  • Washer,lock — FSC 5310
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
  • Material Thickness: 0.344 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Hole Diameter: 1.398 INCHES MINIMUM AND 1.432 INCHES MAXIMUM IN
  • Material Document and Classification: FED STD 66,AISI C1060 THRU C1080 OR SAE 1060 THRU 1080 FED STD ALL MATERIAL RESPONSES OVERALL
  • Nondefinitive Spec/std Data: 2 STYLE AND A CLASS
  • Outside Diameter: 2.239 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-013-1036, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Corp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-013-1036
Primary Part Number131036
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusACTIVE
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Material Thickness0.344 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Hole Diameter1.398 INCHES MINIMUM AND 1.432 INCHES MAXIMUM IN
Material Document and ClassificationFED STD 66,AISI C1060 THRU C1080 OR SAE 1060 THRU 1080 FED STD ALL MATERIAL RESPONSES OVERALL
Nondefinitive Spec/std Data2 STYLE AND A CLASS
Outside Diameter2.239 INCHES MAXIMUM IN
Style DesignatorSPLIT HELICAL-RIGHT HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-727-3804MS90725-165 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
131036 General Motors Corp (USA)
MS35338-18 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
FFW84CLASSASTYLE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5305-00-727-3804INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS90725-165

Frequently Asked Questions

What is NSN 5310-00-013-1036?

NSN 5310-00-013-1036 is a Washer,lock, manufactured by General Motors Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-013-1036?

NSN 5310-00-013-1036 has 3 cross-referenced part numbers: 131036 (General Motors Corp), MS35338-18 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), FFW84CLASSASTYLE2 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5310-00-013-1036?

There is 1 known substitute for 5310-00-013-1036: 5305-00-727-3804. Verify interchangeability with system specifications before substitution.

What are the specifications of 131036?

Key specifications for 131036: Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM; Material Thickness: 0.344 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN; Material: STEEL OVERALL; Hole Diameter: 1.398 INCHES MINIMUM AND 1.432 INCHES MAXIMUM IN. 8 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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