The Plate,mounting, cataloged under National Stock Number 5340-01-668-9317, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Plate,mounting |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Huntington Ingalls Inc Div Newport News Shipbuilding (CAGE 43689); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-668-9317 |
| Primary Part Number | 6503-158 ITEM 2 |
| Item Name | Plate,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 6503-158 ITEM 2 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 6503-158 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 6503-153 ITEM 2 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 501-5923254 ITEM 2 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 501-5923259 ITEM 2 | 3/9 Design control — primary reference Naval Sea Systems Command |
NSN 5340-01-668-9317 is a Plate,mounting, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-668-9317 has 4 manufacturer part numbers on file: 6503-158 ITEM 2 (Huntington Ingalls Inc Div Newport News Shipbuilding), 6503-158 (Huntington Ingalls Inc Div Newport News Shipbuilding), 6503-153 ITEM 2 (Huntington Ingalls Inc Div Newport News Shipbuilding), 501-5923254 ITEM 2 (Naval Sea Systems Command).
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.