PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5308478Washer,key

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5310-00-530-8478 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-530-8478 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-530-8478. Primary manufacturer part number: 5308478.
Features
  • Washer,key — FSC 5310
  • Hole Diameter: 0.719 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • External Straight Key Width: 0.500 INCHES NOMINAL IN
  • Outside Diameter: 1.062 INCHES NOMINAL IN
  • External Straight Key Length: 0.656 INCHES NOMINAL IN
  • Material Thickness: 0.089 INCHES NOMINAL IN
  • Overall Distance Including Keys: 2.375 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-530-8478, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-530-8478
Primary Part Number5308478
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Hole Diameter0.719 INCHES NOMINAL IN
MaterialSTEEL OVERALL
External Straight Key Width0.500 INCHES NOMINAL IN
Outside Diameter1.062 INCHES NOMINAL IN
External Straight Key Length0.656 INCHES NOMINAL IN
Material Thickness0.089 INCHES NOMINAL IN
Overall Distance Including Keys2.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-156-791104930AB INTERCHANGEABLE
Bearing,ball,annular
Cnh Industrial America Llc Dba Cnh America
5330-01-632-2696905210 INTERCHANGEABLE
Gasket
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
5308478 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
905210 Sasco Inc Canadian Div
Related Parts
3110-00-156-7911INTERCHANGEABLE
BEARING,BALL,ANNULAR
04930AB
5330-01-632-2696INTERCHANGEABLE
GASKET
905210

Frequently Asked Questions

What is NSN 5310-00-530-8478?

NSN 5310-00-530-8478 is a Washer,key, 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 5310-00-530-8478?

NSN 5310-00-530-8478 has 2 cross-referenced part numbers: 5308478 (U S Army Tank Automotive Command Amsta-Im-Mm), 905210 (Sasco Inc Canadian Div).

What NSN replaces 5310-00-530-8478?

There are 2 known substitutes for 5310-00-530-8478: 3110-00-156-7911, 5330-01-632-2696. Verify interchangeability with system specifications before substitution.

What are the specifications of 5308478?

Key specifications for 5308478: Hole Diameter: 0.719 INCHES NOMINAL IN; Material: STEEL OVERALL; External Straight Key Width: 0.500 INCHES NOMINAL IN; Outside Diameter: 1.062 INCHES NOMINAL IN. 7 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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