The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-515-8944, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-515-8944 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN |
| Fastener Length | 5.375 INCHES NOMINAL IN |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZW |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Departure From Cited Document | MATERIAL WILL BE IN ACCORANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS |
| Width Between Flats | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 1 TYPE |
| Surface Treatment | ZINC OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| MIL-DTL-1222 | 4/1 Identification reference U.S. Government activity |
| 218-4455118PC196 | 5/1 Secondary reference Naval Sea Systems Command |
| M1222RN6C286GCNZE | 2/2 Government specification standardization U.S. Government activity |
| MIL-S-1222 | 5/9 Secondary reference U.S. Government activity |
| 0.37516UNC2A5.375T1G2SAM | 5/9 Secondary reference U.S. Government activity |
| M122RN6C286GCNZE | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-515-8944 is a Screw,cap,hexagon Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-515-8944: Head Height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN; Fastener Length: 5.375 INCHES NOMINAL IN; Thread Length: 1.000 INCHES NOMINAL IN; Criticality Code Justification: ZZZW. 14 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.