PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8607662Washer,flat

General Motors Corp · NSN 5310-00-541-0088 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-541-0088 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-541-0088. Primary manufacturer part number: 8607662.
Features
  • Washer,flat — FSC 5310
  • Thickness: 0.028 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
  • Hole Diameter: 0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN
  • Material: COPPER OVERALL
  • Overall Diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-541-0088, 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 7 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
NSN5310-00-541-0088
Primary Part Number8607662
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusACTIVE
Thickness0.028 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
Hole Diameter0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN
MaterialCOPPER OVERALL
Overall Diameter0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3455-00-187-651354-10088 INTERCHANGEABLE
Cutter,milling,involute Gear
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
Cross-Reference Index
Part NumberManufacturer
8607662 PRIMARY General Motors Corp (USA)
5410088 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
8607662 Hydramatic Div of General Motors Corp (USA)
Related Parts
3455-00-187-6513INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
54-10088

Frequently Asked Questions

What is NSN 5310-00-541-0088?

NSN 5310-00-541-0088 is a Washer,flat, manufactured by General Motors Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-541-0088?

NSN 5310-00-541-0088 has 3 cross-referenced part numbers: 8607662 (General Motors Corp), 5410088 (U S Army Tank Automotive Command Amsta-Im-Mm), 8607662 (Hydramatic Div of General Motors Corp).

What NSN replaces 5310-00-541-0088?

There is 1 known substitute for 5310-00-541-0088: 3455-00-187-6513. Verify interchangeability with system specifications before substitution.

What are the specifications of 8607662?

Key specifications for 8607662: Thickness: 0.028 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN; Hole Diameter: 0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN; Material: COPPER OVERALL; Overall Diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN. 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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