PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10458Washer,flat

Kleinschmidt Inc · NSN 5310-00-637-3944 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-637-3944 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-637-3944. Primary manufacturer part number: 10458.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Material: STEEL COMP 303 OVERALL
  • Material Document and Classification: QQ-S-763,CLASS 7,TYPE B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
  • Overall Diameter: 0.312 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-637-3944, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kleinschmidt Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-637-3944
Primary Part Number10458
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKleinschmidt Inc
StatusACTIVE
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
MaterialSTEEL COMP 303 OVERALL
Material Document and ClassificationQQ-S-763,CLASS 7,TYPE B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Peripheral Shape StyleROUND
Hole Diameter0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
Overall Diameter0.312 INCHES NOMINAL IN
Thickness0.023 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5310-00-185-6485 INTERCHANGEABLE
Nut,plain,round
4730-00-196-1506A733S-124CFG INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
2940-00-695-90038713441 INTERCHANGEABLE
Lever
U S Army Tank Automotive Command Amsta-Im-Mm
2925-00-756-851010458 INTERCHANGEABLE
Retainer Assembly,m
Mcculloch Corp
2805-00-997-066910458 INTERCHANGEABLE
Ring,piston
Pacific Piston Ring Co Inc
5340-01-327-9192 INTERCHANGEABLE
Caster,swivel
5315-01-502-764510-458 INTERCHANGEABLE
Pin,straight,headless
Konrad Marine Inc Div Konrad Marine
Cross-Reference Index
Part NumberManufacturer
10458 Kleinschmidt Inc (USA)
Related Parts
5310-00-185-6485INTERCHANGEABLE
NUT,PLAIN,ROUND
4730-00-196-1506INTERCHANGEABLE
NIPPLE,PIPE
A733S-124CFG
2940-00-695-9003INTERCHANGEABLE
LEVER
8713441
2925-00-756-8510INTERCHANGEABLE
RETAINER ASSEMBLY,M
10458
2805-00-997-0669INTERCHANGEABLE
RING,PISTON
10458
5340-01-327-9192INTERCHANGEABLE
CASTER,SWIVEL
5315-01-502-7645INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
10-458

Frequently Asked Questions

What is NSN 5310-00-637-3944?

NSN 5310-00-637-3944 is a Washer,flat, manufactured by Kleinschmidt Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-637-3944?

NSN 5310-00-637-3944 has 1 cross-referenced part number: 10458 (Kleinschmidt Inc).

What NSN replaces 5310-00-637-3944?

There are 7 known substitutes for 5310-00-637-3944: 5310-00-185-6485, 4730-00-196-1506, 2940-00-695-9003 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10458?

Key specifications for 10458: Cross-Sectional Shape Style: RECTANGULAR; Center Hole Shape Style: ROUND; Material: STEEL COMP 303 OVERALL; Material Document and Classification: QQ-S-763,CLASS 7,TYPE B FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 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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