PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF-W-92Washer,flat

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5310-01-223-7135 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-223-7135 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-223-7135. Primary manufacturer part number: FF-W-92.
Features
  • Washer,flat — FSC 5310
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Hole Diameter: 0.500 INCHES NOMINAL IN
  • Thickness: 0.048 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 1.125 INCHES NOMINAL IN
  • Material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 301 or Steel Comp 302 or Steel Comp 316 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-223-7135, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5310-01-223-7135
Primary Part NumberFF-W-92
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Hole Diameter0.500 INCHES NOMINAL IN
Thickness0.048 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
Overall Diameter1.125 INCHES NOMINAL IN
MaterialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL
Nondefinitive Spec/std DataA TYPE AND 1 GRADE AND B CLASS
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4710-00-640-00904127 INTERCHANGEABLE
Tube,metallic
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
FF-W-92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AMS-STD-66 Society of Automotive Engineers Inc (USA)
Related Parts
4710-00-640-0090INTERCHANGEABLE
TUBE,METALLIC
4127

Frequently Asked Questions

What is NSN 5310-01-223-7135?

NSN 5310-01-223-7135 is a Washer,flat, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-223-7135?

NSN 5310-01-223-7135 has 2 cross-referenced part numbers: FF-W-92 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-STD-66 (Society of Automotive Engineers Inc).

What NSN replaces 5310-01-223-7135?

There is 1 known substitute for 5310-01-223-7135: 4710-00-640-0090. Verify interchangeability with system specifications before substitution.

What are the specifications of FF-W-92?

Key specifications for FF-W-92: Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Hole Diameter: 0.500 INCHES NOMINAL IN; Thickness: 0.048 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR. 9 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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