PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFW92TYPEAGRADE1Washer,flat

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5310-00-639-3794 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-639-3794 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-639-3794. Primary manufacturer part number: FFW92TYPEAGRADE1.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Nondefinitive Spec/std Data: A TYPE AND 1 GRADE
  • Material: COPPER ALLOY 11 OVERALL
  • Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 11 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-639-3794, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-639-3794
Primary Part NumberFFW92TYPEAGRADE1
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Nondefinitive Spec/std DataA TYPE AND 1 GRADE
MaterialCOPPER ALLOY 11 OVERALL
Material Document and ClassificationQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Peripheral Shape StyleROUND
Hole Diameter0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
Thickness0.064 INCHES NOMINAL IN
Overall Diameter0.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-010-33450911100-6 INTERCHANGEABLE
Washer,flat
Agco Corp Parts Opn
5310-00-010-3346 INTERCHANGEABLE
Washer,flat
5310-00-010-33470911116-2 INTERCHANGEABLE
Washer,flat
Agco Corp Parts Opn
5310-00-167-0699004-003081-021 INTERCHANGEABLE
Washer,flat
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5310-00-469-9202FS11P INTERCHANGEABLE
Washer,flat
Cooper Machinery Services Llc
5310-00-470-0169 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
FFW92TYPEAGRADE1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5310-00-010-3345INTERCHANGEABLE
WASHER,FLAT
0911100-6
5310-00-010-3346INTERCHANGEABLE
WASHER,FLAT
5310-00-010-3347INTERCHANGEABLE
WASHER,FLAT
0911116-2
5310-00-167-0699INTERCHANGEABLE
WASHER,FLAT
004-003081-021
5310-00-469-9202INTERCHANGEABLE
WASHER,FLAT
FS11P
5310-00-470-0169INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5310-00-639-3794?

NSN 5310-00-639-3794 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 5310-00-639-3794?

NSN 5310-00-639-3794 has 1 cross-referenced part number: FFW92TYPEAGRADE1 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5310-00-639-3794?

There are 6 known substitutes for 5310-00-639-3794: 5310-00-010-3345, 5310-00-010-3346, 5310-00-010-3347 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFW92TYPEAGRADE1?

Key specifications for FFW92TYPEAGRADE1: Cross-Sectional Shape Style: RECTANGULAR; Center Hole Shape Style: ROUND; Nondefinitive Spec/std Data: A TYPE AND 1 GRADE; Material: COPPER ALLOY 11 OVERALL. 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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