PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8F2594Washer,flat

Caterpillar Inc Div Caterpillar Defense · NSN 5310-00-045-8840 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-045-8840 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-045-8840. Primary manufacturer part number: 8F2594.
Features
  • Washer,flat — FSC 5310
  • Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: ANODIZE OVERALL
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Thickness: 0.092 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-045-8840, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN5310-00-045-8840
Primary Part Number8F2594
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Material Document and ClassificationQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentANODIZE OVERALL
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Thickness0.092 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
MaterialALUMINUM ALLOY OVERALL
Overall Diameter0.750 INCHES NOMINAL IN
Hole Diameter0.501 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
3020-00-229-0543ADG4-70 INTERCHANGEABLE
Gear,antibacklash,helical
Designatronics Inc Perfect Gear and Instrument Div
6680-01-083-8233 INTERCHANGEABLE
Dial Chamber,liquid Quantity
Cross-Reference Index
Part NumberManufacturer
01235 New Haven Mfg Corp (USA)
3400896L Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
6002-330 Raytheon Company Div Rmd Strategic (USA)
8F2594 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
1235 New Haven Mfg Corp (USA)
Related Parts
3020-00-229-0543INTERCHANGEABLE
GEAR,ANTIBACKLASH,HELICAL
ADG4-70
6680-01-083-8233INTERCHANGEABLE
DIAL CHAMBER,LIQUID QUANTITY

Frequently Asked Questions

What is NSN 5310-00-045-8840?

NSN 5310-00-045-8840 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 5310-00-045-8840?

NSN 5310-00-045-8840 has 5 cross-referenced part numbers: 01235 (New Haven Mfg Corp), 3400896L (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 6002-330 (Raytheon Company Div Rmd Strategic), 8F2594 (Caterpillar Inc Div Caterpillar Defense), 1235 (New Haven Mfg Corp).

What NSN replaces 5310-00-045-8840?

There are 2 known substitutes for 5310-00-045-8840: 3020-00-229-0543, 6680-01-083-8233. Verify interchangeability with system specifications before substitution.

What are the specifications of 8F2594?

Key specifications for 8F2594: Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: ANODIZE OVERALL; Peripheral Shape Style: ROUND; Center Hole Shape Style: ROUND. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-045-8840 still in active supply?

NSN 5310-00-045-8840 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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