The Screw,machine, cataloged under National Stock Number 5305-01-355-4945, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-355-4945 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 0.312 INCHES NOMINAL IN |
| Screw Material Document and Classification | ASTMB164 ASSN STD SINGLE MATERIAL RESPONSE |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Screw Material | NICKEL ALLOY 400 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 803-4384536-5XBX-27 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-355-4945 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-355-4945: Fastener Length: 0.312 INCHES NOMINAL IN; Screw Material Document and Classification: ASTMB164 ASSN STD SINGLE MATERIAL RESPONSE; Nominal Thread Diameter: 0.312 INCHES IN; Head Style: PAN. 9 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.