PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-1576Washer,flat

Horizon Aerospace Llc Dba Magnetics Division · NSN 5310-00-584-8812 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-584-8812 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-584-8812. Primary manufacturer part number: 21-1576.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.088 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
  • Thickness: 0.010 INCHES MINIMUM AND 0.012 INCHES MAXIMUM IN
  • Material: STEEL COMP 301 OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Material Document and Classification: AMS 5517 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 301 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-584-8812, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Horizon Aerospace Llc Dba Magnetics Division. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-584-8812
Primary Part Number21-1576
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHorizon Aerospace Llc Dba Magnetics Division
StatusCANCELLED
Hole Diameter0.088 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
Thickness0.010 INCHES MINIMUM AND 0.012 INCHES MAXIMUM IN
MaterialSTEEL COMP 301 OVERALL
Surface TreatmentPASSIVATE OVERALL
Material Document and ClassificationAMS 5517 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Overall Diameter0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3110-00-100-032531G141 INTERCHANGEABLE
Cup,tapered Roller Bearing
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
21-1576 PRIMARY Horizon Aerospace Llc Dba Magnetics Division (USA)
Related Parts
3110-00-100-0325INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
31G141

Frequently Asked Questions

What is NSN 5310-00-584-8812?

NSN 5310-00-584-8812 is a Washer,flat, manufactured by Horizon Aerospace Llc Dba Magnetics Division, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-584-8812?

NSN 5310-00-584-8812 has 1 cross-referenced part number: 21-1576 (Horizon Aerospace Llc Dba Magnetics Division).

What NSN replaces 5310-00-584-8812?

There is 1 known substitute for 5310-00-584-8812: 3110-00-100-0325. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-1576?

Key specifications for 21-1576: Hole Diameter: 0.088 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN; Thickness: 0.010 INCHES MINIMUM AND 0.012 INCHES MAXIMUM IN; Material: STEEL COMP 301 OVERALL; Surface Treatment: PASSIVATE OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-584-8812 still in active supply?

NSN 5310-00-584-8812 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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