The Bracket,mounting, cataloged under National Stock Number 5340-01-654-4057, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Bracket,mounting |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-654-4057 |
| Primary Part Number | 501-7066655-A1 |
| Item Name | Bracket,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 501-7066655-A1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 501-7066655 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5340-01-654-4057 is a Bracket,mounting, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-654-4057 has 1 manufacturer part number on file: 501-7066655-A1 (Naval Sea Systems Command).
4 possible matches (shared part number, not a government interchangeability claim): 5340-01-654-4078, 5305-01-654-8407, 5305-01-656-1619. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5340-01-654-4057 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.