PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

125238Washer,flat

International Business Machines Corp Parts Order Center Dept E - 54 · NSN 5310-00-956-9531 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-956-9531 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-956-9531. Primary manufacturer part number: 125238.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material: STEEL COMP 1020 OVERALL
  • Material Document and Classification: QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: ZINC OVERALL
  • Surface Treatment Document and Classification: QQ-Z-325,TYPE II,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.093 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1020 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-956-9531, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is International Business Machines Corp Parts Order Center Dept E - 54. Government technical data includes 10 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-956-9531
Primary Part Number125238
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerInternational Business Machines Corp Parts Order Center Dept E - 54
StatusACTIVE
Cross-Sectional Shape StyleRECTANGULAR
MaterialSTEEL COMP 1020 OVERALL
Material Document and ClassificationQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentZINC OVERALL
Surface Treatment Document and ClassificationQQ-Z-325,TYPE II,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Peripheral Shape StyleROUND
Hole Diameter0.093 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
Thickness0.019 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
Overall Diameter0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5360-00-664-2208125238 INTERCHANGEABLE
Spring,helical,extension
Telemechanics Inc
Cross-Reference Index
Part NumberManufacturer
125238 PRIMARY International Business Machines Corp Parts Order Center Dept E - 54 (USA)
125238 International Business Machines Corporation Dba IBM (USA)
10167811 Us Army Aviation and Missile Command (USA)
Related Parts
5360-00-664-2208INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
125238

Frequently Asked Questions

What is NSN 5310-00-956-9531?

NSN 5310-00-956-9531 is a Washer,flat, manufactured by International Business Machines Corp Parts Order Center Dept E - 54, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-956-9531?

NSN 5310-00-956-9531 has 3 cross-referenced part numbers: 125238 (International Business Machines Corp Parts Order Center Dept E - 54), 125238 (International Business Machines Corporation Dba IBM), 10167811 (Us Army Aviation and Missile Command).

What NSN replaces 5310-00-956-9531?

There is 1 known substitute for 5310-00-956-9531: 5360-00-664-2208. Verify interchangeability with system specifications before substitution.

What are the specifications of 125238?

Key specifications for 125238: Cross-Sectional Shape Style: RECTANGULAR; Material: STEEL COMP 1020 OVERALL; Material Document and Classification: QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: ZINC OVERALL. 10 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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