PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

83497Washer,flat

Telemechanics Inc · NSN 5310-00-273-7658 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-273-7658 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-273-7658. Primary manufacturer part number: 83497.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.438 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Thickness: 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
  • Hole Diameter: 0.172 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-273-7658, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-273-7658
Primary Part Number83497
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
Overall Diameter0.438 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Thickness0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
Hole Diameter0.172 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 1010 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-285-1514 INTERCHANGEABLE
Washer,flat
2520-00-374-10246479K INTERCHANGEABLE
Disk,clutch,vehicular
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Cross-Reference Index
Part NumberManufacturer
83497 At and T Corp (USA)
83497 PRIMARY Telemechanics Inc (USA)
Related Parts
5310-00-285-1514INTERCHANGEABLE
WASHER,FLAT
2520-00-374-1024INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
6479K

Frequently Asked Questions

What is NSN 5310-00-273-7658?

NSN 5310-00-273-7658 is a Washer,flat, manufactured by Telemechanics Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-273-7658?

NSN 5310-00-273-7658 has 2 cross-referenced part numbers: 83497 (At and T Corp), 83497 (Telemechanics Inc).

What NSN replaces 5310-00-273-7658?

There are 2 known substitutes for 5310-00-273-7658: 5310-00-285-1514, 2520-00-374-1024. Verify interchangeability with system specifications before substitution.

What are the specifications of 83497?

Key specifications for 83497: Overall Diameter: 0.438 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Center Hole Shape Style: ROUND; Peripheral Shape Style: ROUND. 8 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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