PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10952040Washer,flat

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5310-00-757-6906 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-757-6906 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-757-6906. Primary manufacturer part number: 10952040.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.907 INCHES MINIMUM AND 0.927 INCHES MAXIMUM IN
  • Hardness Rating: 82.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 83.9 ROCKWELL SUPERFICIAL 15-N MAXIMUM
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 1095 OVERALL
  • Surface Finish: 32.0 MICROINCHES TOP
  • Surface Finish: 32.0 MICROINCHES BOTTOM
  • Heat Treatment: QUENCHED AND TEMPERED
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1095 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-757-6906, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-757-6906
Primary Part Number10952040
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Overall Diameter0.907 INCHES MINIMUM AND 0.927 INCHES MAXIMUM IN
Hardness Rating82.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 83.9 ROCKWELL SUPERFICIAL 15-N MAXIMUM
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 1095 OVERALL
Surface Finish32.0 MICROINCHES TOP
Surface Finish32.0 MICROINCHES BOTTOM
Heat TreatmentQUENCHED AND TEMPERED
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Hole Diameter0.502 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN
Surface TreatmentNICKEL OVERALL
Thickness0.092 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2520-01-310-81524-20114 INTERCHANGEABLE
Power Takeoff,transmission
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
6640-01-517-1805420114 INTERCHANGEABLE
Rotor,centrifuge
Becton, Dickinson and Co Dba Becton Dickinson & Co
4820-01-724-7586420114 INTERCHANGEABLE
Valve,ball
Trelleborg Marine Systems North America, Inc.
Cross-Reference Index
Part NumberManufacturer
10952040 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
CS-2300-0001 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
420114 National Bearings Company (USA)
193164 Hyster-Yale Group, Inc. (USA)
Related Parts
2520-01-310-8152INTERCHANGEABLE
POWER TAKEOFF,TRANSMISSION
4-20114
6640-01-517-1805INTERCHANGEABLE
ROTOR,CENTRIFUGE
420114
4820-01-724-7586INTERCHANGEABLE
VALVE,BALL
420114

Frequently Asked Questions

What is NSN 5310-00-757-6906?

NSN 5310-00-757-6906 is a Washer,flat, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-757-6906?

NSN 5310-00-757-6906 has 4 cross-referenced part numbers: 10952040 (U S Army Tank Automotive Command Amsta-Im-Mm), CS-2300-0001 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 420114 (National Bearings Company), 193164 (Hyster-Yale Group, Inc.).

What NSN replaces 5310-00-757-6906?

There are 3 known substitutes for 5310-00-757-6906: 2520-01-310-8152, 6640-01-517-1805, 4820-01-724-7586. Verify interchangeability with system specifications before substitution.

What are the specifications of 10952040?

Key specifications for 10952040: Overall Diameter: 0.907 INCHES MINIMUM AND 0.927 INCHES MAXIMUM IN; Hardness Rating: 82.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 83.9 ROCKWELL SUPERFICIAL 15-N MAXIMUM; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 1095 OVERALL. 13 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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