The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-613-0913, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-613-0913 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 0.750 INCHES NOMINAL IN |
| Head Height | 0.864 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Fastener Length | 2.5 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | PER AMS2411 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 2.250 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.8750 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | SILVER OVERALL |
| Precious Material and Location | FINISH SILVER |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 9 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 1.293 INCHES MINIMUM AND 1.312 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 |
|---|---|
| NAS1352N14-40S | 3/2 Design control — primary reference U.S. Government activity |
| PL7518E34ITEM7 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-613-0913 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-613-0913: Width Across Flats: 0.750 INCHES NOMINAL IN; Head Height: 0.864 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN; Fastener Length: 2.5 INCHES NOMINAL IN; Surface Treatment Document and Classification: PER AMS2411 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL. 16 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.