PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFW92TYPEACLASSAGRADE1LIGHTWasher,flat

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5310-00-595-5974 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-595-5974 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-595-5974. Primary manufacturer part number: FFW92TYPEACLASSAGRADE1LIGHT.
Features
  • Washer,flat — FSC 5310
  • Thickness: 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
  • Hole Diameter: 0.250 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: A TYPE AND A CLASS AND 1 GRADE
  • Surface Treatment: CADMIUM OVERALL
  • Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-595-5974, 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 10 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
NSN5310-00-595-5974
Primary Part NumberFFW92TYPEACLASSAGRADE1LIGHT
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Thickness0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Hole Diameter0.250 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Nondefinitive Spec/std DataA TYPE AND A CLASS AND 1 GRADE
Surface TreatmentCADMIUM OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Center Hole Shape StyleROUND
Overall Diameter0.625 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-809-4058 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
FFW92TYPEACLASSAGRADE1LIGHT Federal Specifications Promulgated by General Services Administration Washington DC (USA)
4B4276 Caterpillar Inc Div Caterpillar Defense (USA)
23MS15795-10 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-809-4058INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5310-00-595-5974?

NSN 5310-00-595-5974 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 5310-00-595-5974?

NSN 5310-00-595-5974 has 3 cross-referenced part numbers: FFW92TYPEACLASSAGRADE1LIGHT (Federal Specifications Promulgated by General Services Administration Washington DC), 4B4276 (Caterpillar Inc Div Caterpillar Defense), 23MS15795-10 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-00-595-5974?

There is 1 known substitute for 5310-00-595-5974: 5310-00-809-4058. Verify interchangeability with system specifications before substitution.

What are the specifications of FFW92TYPEACLASSAGRADE1LIGHT?

Key specifications for FFW92TYPEACLASSAGRADE1LIGHT: Thickness: 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Hole Diameter: 0.250 INCHES NOMINAL IN; Material: STEEL OVERALL; Nondefinitive Spec/std Data: A TYPE AND A CLASS AND 1 GRADE. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com