PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

122744Washer,flat

Telemechanics Inc · NSN 5310-00-530-0643 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-530-0643 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-530-0643. Primary manufacturer part number: 122744.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 1.312 INCHES NOMINAL IN
  • Thickness: 0.141 INCHES NOMINAL IN
  • Material: WOOL OVERALL
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 0.500 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Wool Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-530-0643, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN5310-00-530-0643
Primary Part Number122744
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Overall Diameter1.312 INCHES NOMINAL IN
Thickness0.141 INCHES NOMINAL IN
MaterialWOOL OVERALL
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Hole Diameter0.500 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5330-00-172-20281255PC74085B INTERCHANGEABLE
Gasket
Brinkley Technology Group Llc Dba Hercules Manufacturing
5133-00-228-1370 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
74085 Telemechanics Inc (USA)
4T74085 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
122744 PRIMARY Telemechanics Inc (USA)
74085 At and T Corp (USA)
122744 At and T Corp (USA)
Related Parts
5330-00-172-2028INTERCHANGEABLE
GASKET
1255PC74085B
5133-00-228-1370INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 5310-00-530-0643?

NSN 5310-00-530-0643 is a Washer,flat, manufactured by Telemechanics Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-530-0643?

NSN 5310-00-530-0643 has 5 cross-referenced part numbers: 74085 (Telemechanics Inc), 4T74085 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 122744 (Telemechanics Inc), 74085 (At and T Corp), 122744 (At and T Corp).

What NSN replaces 5310-00-530-0643?

There are 2 known substitutes for 5310-00-530-0643: 5330-00-172-2028, 5133-00-228-1370. Verify interchangeability with system specifications before substitution.

What are the specifications of 122744?

Key specifications for 122744: Overall Diameter: 1.312 INCHES NOMINAL IN; Thickness: 0.141 INCHES NOMINAL IN; Material: WOOL OVERALL; Peripheral Shape Style: ROUND. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-530-0643 still in active supply?

NSN 5310-00-530-0643 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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