PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500538Cap Asy

Alliant Techsystems Inc Ordnance Systems Div · NSN 2520-00-039-8407 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-039-8407 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-039-8407. Primary manufacturer part number: 500538.
Features
  • Cap Asy — FSC 2520
  • 2 verified cross-references
  • Primary manufacturer: Alliant Techsystems Inc Ordnance Systems Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cap Asy, cataloged under National Stock Number 2520-00-039-8407, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Alliant Techsystems Inc Ordnance Systems Div. 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.

Catalog Facts
Item NameCap Asy
FSC / FSG2520 — No Item Name Available (FSG 25)
ManufacturersAlliant Techsystems Inc Ordnance Systems Div (CAGE 08638); U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207)
Technical Specifications
ParameterValue
NSN2520-00-039-8407
Primary Part Number500538
Item NameCap Asy
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerAlliant Techsystems Inc Ordnance Systems Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-829-9860500537 INTERCHANGEABLE
Bearing,ball,annular
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
4820-01-503-35345005-3-8 INTERCHANGEABLE
Flange,gland,valve
Hunt Valve Company, Inc.
Cross-Reference Index
Part NumberManufacturer
500538 Alliant Techsystems Inc Ordnance Systems Div (USA)
7369654 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
3110-00-829-9860INTERCHANGEABLE
BEARING,BALL,ANNULAR
500537
4820-01-503-3534INTERCHANGEABLE
FLANGE,GLAND,VALVE
5005-3-8

Frequently Asked Questions

What is NSN 2520-00-039-8407?

NSN 2520-00-039-8407 is a Cap Asy, manufactured by Alliant Techsystems Inc Ordnance Systems Div, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-039-8407?

NSN 2520-00-039-8407 has 2 cross-referenced part numbers: 500538 (Alliant Techsystems Inc Ordnance Systems Div), 7369654 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 2520-00-039-8407?

There are 2 known substitutes for 2520-00-039-8407: 3110-00-829-9860, 4820-01-503-3534. Verify interchangeability with system specifications before substitution.

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