PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500665ABeam,structural

Clamshell Structures, Inc · NSN 9520-01-570-4945 · FSC 9520 · No Item Name Available
Verified by PartsTable
NSN 9520-01-570-4945 — this item is cataloged by the U.S. Government under National Stock Number 9520-01-570-4945. Primary manufacturer part number: 500665A.
Features
  • Beam,structural — FSC 9520
  • 1 verified cross-reference
  • Primary manufacturer: Clamshell Structures, Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Beam,structural, cataloged under National Stock Number 9520-01-570-4945, is classified within Federal Supply Class 9520 (No Item Name Available) of the Metal Bars, Sheets, and Shapes group. The primary manufacturer of record is Clamshell Structures, Inc. 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: Active.

Technical Specifications
ParameterValue
NSN9520-01-570-4945
Primary Part Number500665A
Item NameBeam,structural
FSC / FSG9520 / 95 — No Item Name Available
ManufacturerClamshell Structures, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
9520-01-464-0158500665ADB INTERCHANGEABLE
Beam,structural
Clamshell Structures, Inc
Cross-Reference Index
Part NumberManufacturer
500665A PRIMARY Clamshell Structures, Inc (USA)
Related Parts
9520-01-464-0158INTERCHANGEABLE
BEAM,STRUCTURAL
500665ADB

Frequently Asked Questions

What is NSN 9520-01-570-4945?

NSN 9520-01-570-4945 is a Beam,structural, manufactured by Clamshell Structures, Inc, classified under FSC 9520 (No Item Name Available). Status: active.

What are the part numbers for NSN 9520-01-570-4945?

NSN 9520-01-570-4945 has 1 cross-referenced part number: 500665A (Clamshell Structures, Inc).

What NSN replaces 9520-01-570-4945?

There is 1 known substitute for 9520-01-570-4945: 9520-01-464-0158. Verify interchangeability with system specifications before substitution.

What are the specifications of 500665A?

Key specifications for 500665A: End Item Identification: VARIOUS E/I; Part Name Assigned by Controlling Agency: BEAM,50 CURVE,3 HOLE. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com