The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-345-8781, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Unicorp.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-345-8781 |
| Primary Part Number | 4167 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Unicorp. |
| Status | ACTIVE |
| Specification/standard Data | 54497-0441C0121-67 MANUFACTURERS STANDARD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4167 PRIMARY | Unicorp. (USA) |
| 4167-M07-F09 | Unicorp. (USA) |
| Reference | Meaning |
|---|---|
| 0441C0121-67 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rms |
| 0441C0121-67 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 5305-01-345-8781 is a Screw,externally Relieved Body, manufactured by Unicorp., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-345-8781 has 2 manufacturer part numbers on file: 4167 (Unicorp.), 4167-M07-F09 (Unicorp.).
Key specifications for 4167: Specification/standard Data: 54497-0441C0121-67 MANUFACTURERS STANDARD. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.