The Bracket,mounting, cataloged under National Stock Number 5340-01-474-6331, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Land & Armaments L.p.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-474-6331 |
| Primary Part Number | 55-04057 |
| Item Name | Bracket,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| 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 |
NSN 5340-01-474-6331 is a Bracket,mounting, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-474-6331 has 2 manufacturer part numbers on file: 55-04057 (Bae Systems Land & Armaments L.p.), 55-04057 (Amz Alabama Inc.).
Key specifications for 55-04057: Overall Height: 1.440 INCHES NOMINAL IN; Overall Length: 18.500 INCHES NOMINAL IN; Overall Width: 2.750 INCHES NOMINAL IN; Special Features: THICKNESS: 12 GAUGE. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.