PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8265Washer,flat

Cummins Inc. · NSN 5310-00-246-0221 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-246-0221 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-246-0221. Primary manufacturer part number: 8265.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.649 INCHES MINIMUM AND 0.663 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
  • Thickness: 0.055 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Material: COPPER OVERALL
  • Overall Diameter: 0.993 INCHES MINIMUM AND 1.007 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-246-0221, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 7 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-246-0221
Primary Part Number8265
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCummins Inc.
StatusCANCELLED
Hole Diameter0.649 INCHES MINIMUM AND 0.663 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Thickness0.055 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
MaterialCOPPER OVERALL
Overall Diameter0.993 INCHES MINIMUM AND 1.007 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
4730-00-243-74420141180-339 INTERCHANGEABLE
Reducer,pipe
Cleveland Service Center
5935-00-549-4151UG29AU INTERCHANGEABLE
Adapter,connector
Joint Electronics Type Designation System
2530-00-814-3322FD8265 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5342-01-147-86958265 INTERCHANGEABLE
Retainer
Imi Cash Valve Inc
5305-01-276-96588265 INTERCHANGEABLE
Screw,eye
Chicago Steel Tape Co Inc Berger Instruments Co Inc
6130-01-448-11218265 INTERCHANGEABLE
Power Supply
Quarterwave Corp.
5977-01-494-1424 INTERCHANGEABLE
Brush Set,electrical Contact
3950-01-554-674861-01-1841A INTERCHANGEABLE
Hoist,chain
Electric Boat Corporation Div General Dynamics Electric Boat
4940-01-560-66078265 INTERCHANGEABLE
Parts Kit,refrigerant Gas Leak D
Parasense, Inc
Cross-Reference Index
Part NumberManufacturer
5310002460221 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
8265 PRIMARY Cummins Inc. (USA)
8265 Cummins Ltd (GBR)
5310002460221 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
Related Parts
4730-00-243-7442INTERCHANGEABLE
REDUCER,PIPE
0141180-339
5935-00-549-4151INTERCHANGEABLE
ADAPTER,CONNECTOR
UG29AU
2530-00-814-3322INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
FD8265
5342-01-147-8695INTERCHANGEABLE
RETAINER
8265
5305-01-276-9658INTERCHANGEABLE
SCREW,EYE
8265
6130-01-448-1121INTERCHANGEABLE
POWER SUPPLY
8265
5977-01-494-1424INTERCHANGEABLE
BRUSH SET,ELECTRICAL CONTACT
3950-01-554-6748INTERCHANGEABLE
HOIST,CHAIN
61-01-1841A
4940-01-560-6607INTERCHANGEABLE
PARTS KIT,REFRIGERANT GAS LEAK D
8265

Frequently Asked Questions

What is NSN 5310-00-246-0221?

NSN 5310-00-246-0221 is a Washer,flat, manufactured by Cummins Inc., classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-246-0221?

NSN 5310-00-246-0221 has 4 cross-referenced part numbers: 5310002460221 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 8265 (Cummins Inc.), 8265 (Cummins Ltd), 5310002460221 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee).

What NSN replaces 5310-00-246-0221?

There are 9 known substitutes for 5310-00-246-0221: 4730-00-243-7442, 5935-00-549-4151, 2530-00-814-3322 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8265?

Key specifications for 8265: Hole Diameter: 0.649 INCHES MINIMUM AND 0.663 INCHES MAXIMUM IN; Center Hole Shape Style: ROUND; Thickness: 0.055 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-246-0221 still in active supply?

NSN 5310-00-246-0221 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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