PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A60801Washer,flat

Washington Scientific Industries Inc · NSN 5310-00-042-4401 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-042-4401 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-042-4401. Primary manufacturer part number: A60801.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.500 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 1.406 INCHES NOMINAL IN
  • Thickness: 0.093 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Material: COPPER ALLOY OVERALL
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 5310-00-042-4401, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Washington Scientific Industries Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-042-4401
Primary Part NumberA60801
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWashington Scientific Industries Inc
StatusACTIVE
Hole Diameter0.500 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter1.406 INCHES NOMINAL IN
Thickness0.093 INCHES NOMINAL IN
Center Hole Shape StyleROUND
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5970-01-285-3153A6080 INTERCHANGEABLE
Insulator
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
A60801 Washington Scientific Industries Inc (USA)
A60440 Washington Scientific Industries Inc (USA)
Related Parts
5970-01-285-3153INTERCHANGEABLE
INSULATOR
A6080

Frequently Asked Questions

What is NSN 5310-00-042-4401?

NSN 5310-00-042-4401 is a Washer,flat, manufactured by Washington Scientific Industries Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-042-4401?

NSN 5310-00-042-4401 has 2 cross-referenced part numbers: A60801 (Washington Scientific Industries Inc), A60440 (Washington Scientific Industries Inc).

What NSN replaces 5310-00-042-4401?

There is 1 known substitute for 5310-00-042-4401: 5970-01-285-3153. Verify interchangeability with system specifications before substitution.

What are the specifications of A60801?

Key specifications for A60801: Hole Diameter: 0.500 INCHES NOMINAL IN; Peripheral Shape Style: ROUND; Cross-Sectional Shape Style: RECTANGULAR; Overall Diameter: 1.406 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

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