NSN 5340-01-556-4575 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-556-4575. Manufacturer of record part number: 1673840C2.
The Bracket,double Angle, cataloged under National Stock Number 5340-01-556-4575, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Nd Defense Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
Catalog Facts
Item Name
Bracket,double Angle
FSC / FSG
5340 — Hardware, Commercial (FSG 53)
Manufacturers
Nd Defense Llc (CAGE 338X5)
Technical Specifications
Parameter
Value
NSN
5340-01-556-4575
Primary Part Number
1673840C2
Item Name
Bracket,double Angle
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
Nd Defense Llc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
Unit of Issue
EA
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
NSN 5340-01-556-4575 is a Bracket,double Angle, manufactured by Nd Defense Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-01-556-4575?
NSN 5340-01-556-4575 has 1 manufacturer part number on file: 1673840C2 (Nd Defense Llc).
What NSN replaces 5340-01-556-4575?
4 possible matches (shared part number, not a government interchangeability claim): 2590-01-556-6718, 5340-01-587-3368, 5340-01-587-3381. Verify interchangeability with system specifications before substitution.
Is NSN 5340-01-556-4575 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.