PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

502254Washer,flat

Kelly Manufacturing Company · NSN 5310-00-050-2254 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-050-2254 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-050-2254. Primary manufacturer part number: 502254.
Features
  • Washer,flat — FSC 5310
  • Nondefinitive Spec/std Data: A TYPE AND 1 GRADE AND E CLASS
  • Overall Diameter: 0.188 INCHES NOMINAL IN
  • Material Document and Classification: QQ-B-613 COMP 11 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Hole Diameter: 0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
  • Thickness: 0.020 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
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 5310-00-050-2254, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kelly Manufacturing Company. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-050-2254
Primary Part Number502254
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKelly Manufacturing Company
StatusCANCELLED
Nondefinitive Spec/std DataA TYPE AND 1 GRADE AND E CLASS
Overall Diameter0.188 INCHES NOMINAL IN
Material Document and ClassificationQQ-B-613 COMP 11 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Hole Diameter0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Thickness0.020 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
MaterialCOPPER ALLOY OVERALL
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5180-01-394-180427297 INTERCHANGEABLE
Service Kit,loader
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
4730-01-724-0359502254 INTERCHANGEABLE
Nipple,pipe
Sauer Compressors Usa, Inc.
Cross-Reference Index
Part NumberManufacturer
502254 Kelly Manufacturing Company (USA)
502254 Allen R C Co Inc Cash Register Div (USA)
FFW92TYPEAGRADE1CLASSE Federal Specifications Promulgated by General Services Administration Washington DC (USA)
502254 Allen R C Instruments Inc (USA)
Related Parts
5180-01-394-1804INTERCHANGEABLE
SERVICE KIT,LOADER
27297
4730-01-724-0359INTERCHANGEABLE
NIPPLE,PIPE
502254

Frequently Asked Questions

What is NSN 5310-00-050-2254?

NSN 5310-00-050-2254 is a Washer,flat, manufactured by Kelly Manufacturing Company, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-050-2254?

NSN 5310-00-050-2254 has 4 cross-referenced part numbers: 502254 (Kelly Manufacturing Company), 502254 (Allen R C Co Inc Cash Register Div), FFW92TYPEAGRADE1CLASSE (Federal Specifications Promulgated by General Services Administration Washington DC), 502254 (Allen R C Instruments Inc).

What NSN replaces 5310-00-050-2254?

There are 2 known substitutes for 5310-00-050-2254: 5180-01-394-1804, 4730-01-724-0359. Verify interchangeability with system specifications before substitution.

What are the specifications of 502254?

Key specifications for 502254: Nondefinitive Spec/std Data: A TYPE AND 1 GRADE AND E CLASS; Overall Diameter: 0.188 INCHES NOMINAL IN; Material Document and Classification: QQ-B-613 COMP 11 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Hole Diameter: 0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-050-2254 still in active supply?

NSN 5310-00-050-2254 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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