The Holder,spring, cataloged under National Stock Number 5340-01-442-5481, 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. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-442-5481 |
| Primary Part Number | 4403544 PART 182 |
| Item Name | Holder,spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Material | COPPER ALLOY 511 |
| 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 |
|---|---|
| 4403544 PART 182 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 123-4403544 PART 182 | 5/9 Secondary reference Naval Sea Systems Command |
| 123-5941945 PART 182 | 5/9 Secondary reference Naval Sea Systems Command |
| 123-4403544 PART 182 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 123-5941946 PART 182 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 5340-01-442-5481 is a Holder,spring, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-442-5481 has 1 manufacturer part number on file: 4403544 PART 182 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 4403544 PART 182: Material: COPPER ALLOY 511. 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.