PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFW92TYPEAGRADE1CLASSFWasher,flat

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5310-00-209-1758 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-209-1758 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-209-1758. Primary manufacturer part number: FFW92TYPEAGRADE1CLASSF.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.03125 INCHES NOMINAL IN
  • Departure From Cited Designator: AS MODIFIED BY ID AND OD
  • Material: COPPER ALLOY OVERALL
  • Material Document and Classification: QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Nondefinitive Spec/std Data: A TYPE AND 1 GRADE AND F STYLE
  • Overall Diameter: 1.34375 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-209-1758, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-209-1758
Primary Part NumberFFW92TYPEAGRADE1CLASSF
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.03125 INCHES NOMINAL IN
Departure From Cited DesignatorAS MODIFIED BY ID AND OD
MaterialCOPPER ALLOY OVERALL
Material Document and ClassificationQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nondefinitive Spec/std DataA TYPE AND 1 GRADE AND F STYLE
Overall Diameter1.34375 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Hole Diameter0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5310-00-083-7088MS15795-541 INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-185-092951176PC9 INTERCHANGEABLE
Washer,flat
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5310-00-205-9983116103 INTERCHANGEABLE
Washer,flat
Chrysler Realty Company Llc Dba Daimler Chrysler
5310-00-205-9989 INTERCHANGEABLE
Washer,flat
5310-00-206-00005179709 INTERCHANGEABLE
Washer,flat
Rolls-Royce Solutions America Inc
5310-00-209-1708 INTERCHANGEABLE
Washer,flat
5310-00-209-1760 INTERCHANGEABLE
Washer,flat
5310-00-281-3555100-10-26WBR INTERCHANGEABLE
Washer,flat
Carver Pump Company
5310-00-595-5994 INTERCHANGEABLE
Washer,flat
5310-00-595-6844 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
FFW92TYPEAGRADE1CLASSF Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5310-00-083-7088INTERCHANGEABLE
WASHER,FLAT
MS15795-541
5310-00-185-0929INTERCHANGEABLE
WASHER,FLAT
51176PC9
5310-00-205-9983INTERCHANGEABLE
WASHER,FLAT
116103
5310-00-205-9989INTERCHANGEABLE
WASHER,FLAT
5310-00-206-0000INTERCHANGEABLE
WASHER,FLAT
5179709
5310-00-209-1708INTERCHANGEABLE
WASHER,FLAT
5310-00-209-1760INTERCHANGEABLE
WASHER,FLAT
5310-00-281-3555INTERCHANGEABLE
WASHER,FLAT
100-10-26WBR
5310-00-595-5994INTERCHANGEABLE
WASHER,FLAT
5310-00-595-6844INTERCHANGEABLE
WASHER,FLAT
5310-00-595-6852INTERCHANGEABLE
WASHER,FLAT
1326

Frequently Asked Questions

What is NSN 5310-00-209-1758?

NSN 5310-00-209-1758 is a Washer,flat, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-209-1758?

NSN 5310-00-209-1758 has 1 cross-referenced part number: FFW92TYPEAGRADE1CLASSF (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5310-00-209-1758?

There are 11 known substitutes for 5310-00-209-1758: 5310-00-083-7088, 5310-00-185-0929, 5310-00-205-9983 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFW92TYPEAGRADE1CLASSF?

Key specifications for FFW92TYPEAGRADE1CLASSF: Cross-Sectional Shape Style: RECTANGULAR; Thickness: 0.03125 INCHES NOMINAL IN; Departure From Cited Designator: AS MODIFIED BY ID AND OD; Material: COPPER ALLOY OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-209-1758 still in active supply?

NSN 5310-00-209-1758 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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