PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

140742Washer,lock

General Motors Corp · NSN 5310-00-014-0742 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-014-0742 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-014-0742. Primary manufacturer part number: 140742.
Features
  • Washer,lock — FSC 5310
  • Material Thickness: 0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
  • Hole Diameter: 0.088 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
  • Outside Diameter: 0.172 INCHES MAXIMUM IN
  • Material: STEEL COMP 1060 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
  • Nondefinitive Spec/std Data: 2 STYLE AND A CLASS
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1060 or Steel Comp 1070 or Steel Comp 1078 or Steel Comp 1080 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-014-0742, 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 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-014-0742
Primary Part Number140742
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusACTIVE
Material Thickness0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
Hole Diameter0.088 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
Style DesignatorSPLIT HELICAL-RIGHT HAND
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Outside Diameter0.172 INCHES MAXIMUM IN
MaterialSTEEL COMP 1060 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
Nondefinitive Spec/std Data2 STYLE AND A CLASS
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-045-4007NASM35338-41 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-543-5060MS35338-39 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5315-01-301-0460140742 INTERCHANGEABLE
Pin,straight,headless
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
Cross-Reference Index
Part NumberManufacturer
140742 General Motors Corp (USA)
1A8036 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
MS35338-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
140742 CAGE 00000
FFW84CLASSASTYLE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
1A8036 Ford Motor Company (USA)
Related Parts
5310-00-045-4007INTERCHANGEABLE
WASHER,LOCK
NASM35338-41
5310-00-543-5060INTERCHANGEABLE
WASHER,LOCK
MS35338-39
5315-01-301-0460INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
140742

Frequently Asked Questions

What is NSN 5310-00-014-0742?

NSN 5310-00-014-0742 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 5310-00-014-0742?

NSN 5310-00-014-0742 has 6 cross-referenced part numbers: 140742 (General Motors Corp), 1A8036 (Ford Motor Co Ford Parts and Service Div Government Part Sales), MS35338-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 140742, FFW84CLASSASTYLE2 (Federal Specifications Promulgated by General Services Administration Washington DC) and 1 more.

What NSN replaces 5310-00-014-0742?

There are 3 known substitutes for 5310-00-014-0742: 5310-00-045-4007, 5310-00-543-5060, 5315-01-301-0460. Verify interchangeability with system specifications before substitution.

What are the specifications of 140742?

Key specifications for 140742: Material Thickness: 0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN; Hole Diameter: 0.088 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN; Style Designator: SPLIT HELICAL-RIGHT HAND; Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM. 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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