PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2F6683Washer,flat

Caterpillar Inc Div Caterpillar Defense · NSN 5310-00-202-4187 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-202-4187 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-202-4187. Primary manufacturer part number: 2F6683.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 1.500 INCHES NOMINAL IN
  • Thickness: 0.047 INCHES NOMINAL IN
  • Material: CELLULOSE OVERALL
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 1.125 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Cellulose Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-202-4187, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-202-4187
Primary Part Number2F6683
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Peripheral Shape StyleROUND
Overall Diameter1.500 INCHES NOMINAL IN
Thickness0.047 INCHES NOMINAL IN
MaterialCELLULOSE OVERALL
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter1.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3110-00-155-6672 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
03031-56 Woodward, Inc. (USA)
206071 Woodward, Inc. Div Fuel Systems and Controls (USA)
03004A140 Woodward, Inc. Div Fuel Systems and Controls (USA)
206071 Woodward, Inc. (USA)
03014-89 Woodward, Inc. (USA)
2F6683 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
206071 Turner Engine Controls, a Division of Turner Diesel (GBR)
Related Parts
3110-00-155-6672INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 5310-00-202-4187?

NSN 5310-00-202-4187 is a Washer,flat, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-202-4187?

NSN 5310-00-202-4187 has 7 cross-referenced part numbers: 03031-56 (Woodward, Inc.), 206071 (Woodward, Inc. Div Fuel Systems and Controls), 03004A140 (Woodward, Inc. Div Fuel Systems and Controls), 206071 (Woodward, Inc.), 03014-89 (Woodward, Inc.) and 2 more.

What NSN replaces 5310-00-202-4187?

There is 1 known substitute for 5310-00-202-4187: 3110-00-155-6672. Verify interchangeability with system specifications before substitution.

What are the specifications of 2F6683?

Key specifications for 2F6683: Peripheral Shape Style: ROUND; Overall Diameter: 1.500 INCHES NOMINAL IN; Thickness: 0.047 INCHES NOMINAL IN; Material: CELLULOSE OVERALL. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-202-4187 still in active supply?

NSN 5310-00-202-4187 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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