The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-368-2548, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-368-2548 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 0.750 INCHES NOMINAL IN |
| Head Height | 0.988 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Fastener Length | 6.000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-83488 TY2 CL3 MIL SPEC SINGLE TREATMENT RESPONSE OR MIL-C-87115 CL3 MIL SPEC 1ST TREATMENT RESPONSE OVERALL |
| Thread Length | 0.412 INCHES NOMINAL IN |
| Material Document and Classification | ASTMA574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Locking Feature | STRIP THREADS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 8 |
| Thread Series Designator | UNRC |
| Head Diameter | 1.479 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 5959303-84 | 3/1 Design control — primary reference U.S. Government activity |
| 803-5959303-X-84 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 5305-01-368-2548 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-368-2548: Width Across Flats: 0.750 INCHES NOMINAL IN; Head Height: 0.988 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN; Fastener Length: 6.000 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-83488 TY2 CL3 MIL SPEC SINGLE TREATMENT RESPONSE OR MIL-C-87115 CL3 MIL SPEC 1ST TREATMENT RESPONSE OVERALL. 15 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.