The Screw,machine, cataloged under National Stock Number 5305-01-439-2157, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-439-2157 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 199C6727P1 | 3/2 Design control — primary reference U.S. Government activity |
| MS16995-20 | 5/1 Secondary reference U.S. Government activity |
NSN 5305-01-439-2157 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-439-2157: Special Features: SHANK DIA .008 IN MIN AND .100 UN MAX;SHANK LENGTH .750 IN., SURFACE TREATMENT PASSIVATE OVERALL, MATERIALS MAY BE STEE COMP 302 OR STEEL COMP 303 OR STEEL COMP 305 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL IN. 0 specifications are 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.