PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

145Washer,flat

Industrial Technologies and Services Llc · NSN 5310-00-591-2694 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-591-2694 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-591-2694. Primary manufacturer part number: 145.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.326 INCHES NOMINAL IN
  • Material: COPPER ALLOY OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.560 INCHES NOMINAL IN
  • Thickness: 0.063 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
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 5310-00-591-2694, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Industrial Technologies and Services Llc. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-591-2694
Primary Part Number145
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerIndustrial Technologies and Services Llc
StatusACTIVE
Hole Diameter0.326 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.560 INCHES NOMINAL IN
Thickness0.063 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6210-00-056-9192 INTERCHANGEABLE
Lens,light
6550-01-256-6218221184 INTERCHANGEABLE
Culture Medium,thayer-Martin Aga
Becton, Dickinson and Co Dba Becton Dickinson & Co
2540-01-718-683921184 INTERCHANGEABLE
Cover,fitted,vehicular Cab
Transhield, Inc.
Cross-Reference Index
Part NumberManufacturer
145 PRIMARY Industrial Technologies and Services Llc (USA)
21184 Industrial Technologies and Services Llc (USA)
Related Parts
6210-00-056-9192INTERCHANGEABLE
LENS,LIGHT
6550-01-256-6218INTERCHANGEABLE
CULTURE MEDIUM,THAYER-MARTIN AGA
221184
2540-01-718-6839INTERCHANGEABLE
COVER,FITTED,VEHICULAR CAB
21184

Frequently Asked Questions

What is NSN 5310-00-591-2694?

NSN 5310-00-591-2694 is a Washer,flat, manufactured by Industrial Technologies and Services Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-591-2694?

NSN 5310-00-591-2694 has 2 cross-referenced part numbers: 145 (Industrial Technologies and Services Llc), 21184 (Industrial Technologies and Services Llc).

What NSN replaces 5310-00-591-2694?

There are 3 known substitutes for 5310-00-591-2694: 6210-00-056-9192, 6550-01-256-6218, 2540-01-718-6839. Verify interchangeability with system specifications before substitution.

What are the specifications of 145?

Key specifications for 145: Hole Diameter: 0.326 INCHES NOMINAL IN; Material: COPPER ALLOY OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Overall Diameter: 0.560 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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