PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

125802Washer,flat

American Telephone and Telegraph Co · NSN 5310-00-193-7620 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-193-7620 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-193-7620. Primary manufacturer part number: 125802.
Features
  • Washer,flat — FSC 5310
  • Surface Treatment: CADMIUM OVERALL
  • Center Hole Shape Style: ROUND
  • Material: STEEL OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 0.120 INCHES NOMINAL IN
  • Overall Diameter: 0.375 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-193-7620, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American Telephone and Telegraph Co. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-193-7620
Primary Part Number125802
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAmerican Telephone and Telegraph Co
StatusCANCELLED
Surface TreatmentCADMIUM OVERALL
Center Hole Shape StyleROUND
MaterialSTEEL OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.120 INCHES NOMINAL IN
Overall Diameter0.375 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Peripheral Shape StyleROUND
Thickness0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5360-00-308-909012-580-2 INTERCHANGEABLE
Spring,helical,compression
Automatic Switch Company Dba Asco
6240-00-949-81062140-0037 INTERCHANGEABLE
Lamp,incandescent
Keysight Technologies Inc
5360-01-078-1118 INTERCHANGEABLE
Spring,helical,compression
5360-01-564-5808 INTERCHANGEABLE
Spring,helical,compression
Cross-Reference Index
Part NumberManufacturer
125802 American Telephone and Telegraph Co (USA)
125802 At and T Corp (USA)
125802 Telemechanics Inc (USA)
Related Parts
5360-00-308-9090INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12-580-2
6240-00-949-8106INTERCHANGEABLE
LAMP,INCANDESCENT
2140-0037
5360-01-078-1118INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5360-01-564-5808INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION

Frequently Asked Questions

What is NSN 5310-00-193-7620?

NSN 5310-00-193-7620 is a Washer,flat, manufactured by American Telephone and Telegraph Co, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-193-7620?

NSN 5310-00-193-7620 has 3 cross-referenced part numbers: 125802 (American Telephone and Telegraph Co), 125802 (At and T Corp), 125802 (Telemechanics Inc).

What NSN replaces 5310-00-193-7620?

There are 4 known substitutes for 5310-00-193-7620: 5360-00-308-9090, 6240-00-949-8106, 5360-01-078-1118 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 125802?

Key specifications for 125802: Surface Treatment: CADMIUM OVERALL; Center Hole Shape Style: ROUND; Material: STEEL OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-193-7620 still in active supply?

NSN 5310-00-193-7620 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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