PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5214407Washer,shouldered

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5310-00-521-4407 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-521-4407 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-521-4407. Primary manufacturer part number: 5214407.
Features
  • Washer,shouldered — FSC 5310
  • Material: STEEL OVERALL
  • Outside Diameter: 1.031 INCHES NOMINAL IN
  • Style Designator: SHOULDERED
  • Material Document and Classification: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Hole Diameter: 0.625 INCHES NOMINAL IN
  • Shoulder Diameter: 0.984 INCHES NOMINAL IN
  • 3 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,shouldered, cataloged under National Stock Number 5310-00-521-4407, 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 6 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
NSN5310-00-521-4407
Primary Part Number5214407
Item NameWasher,shouldered
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
MaterialSTEEL OVERALL
Outside Diameter1.031 INCHES NOMINAL IN
Style DesignatorSHOULDERED
Material Document and ClassificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Hole Diameter0.625 INCHES NOMINAL IN
Shoulder Diameter0.984 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5962-01-069-3883 INTERCHANGEABLE
Microcircuit,linear
Cross-Reference Index
Part NumberManufacturer
5214407 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
344590 White Motor Corp (USA)
20DE16 PRIMARY Eaton Corp Dba Eaton Aerospace Jackson (USA)
Related Parts
5962-01-069-3883INTERCHANGEABLE
MICROCIRCUIT,LINEAR

Frequently Asked Questions

What is NSN 5310-00-521-4407?

NSN 5310-00-521-4407 is a Washer,shouldered, 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 5310-00-521-4407?

NSN 5310-00-521-4407 has 3 cross-referenced part numbers: 5214407 (U S Army Tank Automotive Command Amsta-Im-Mm), 344590 (White Motor Corp), 20DE16 (Eaton Corp Dba Eaton Aerospace Jackson).

What NSN replaces 5310-00-521-4407?

There is 1 known substitute for 5310-00-521-4407: 5962-01-069-3883. Verify interchangeability with system specifications before substitution.

What are the specifications of 5214407?

Key specifications for 5214407: Material: STEEL OVERALL; Outside Diameter: 1.031 INCHES NOMINAL IN; Style Designator: SHOULDERED; Material Document and Classification: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 6 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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