The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-735-6682, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-735-6682 |
| Primary Part Number | 141-8617681-13 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 0.156 INCHES NOMINAL IN |
| Head Height | 0.161 INCHES NOMINAL IN |
| Fastener Length | 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-DTL-13924, CLASS 1 OR MIL-DTL-16232, TYPE M, CLASS 4 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER |
| Thread Length | 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Material Document and Classification | FF-S-86 FED SPEC SINGLE MATERIAL RESPONSE FASTENER |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS-24667 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Locking Feature | PATCH OR STRIP LOCKING FEATURE |
| Color | BLACK FASTENER |
| Surface Treatment | BLACK CHEMICAL FINISH FASTENER |
| Internal Drive Style | HEXAGON |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL FASTENER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.480 INCHES MINIMUM AND 0.531 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 |
| Part Number | Manufacturer |
|---|---|
| 141-8617681-13 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H453-1111-13 | 5/2 Secondary reference U.S. Government activity |
| MS24667-30BL | 5/9 Secondary reference U.S. Government activity |
| MS24667-30BL | 3/2 Design control — primary reference U.S. Government activity |
| NASM24667 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5305-01-735-6682 is a Screw,cap,socket Head, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-735-6682 has 1 manufacturer part number on file: 141-8617681-13 (Naval Sea Systems Command).
Key specifications for 141-8617681-13: Width Across Flats: 0.156 INCHES NOMINAL IN; Head Height: 0.161 INCHES NOMINAL IN; Fastener Length: 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-DTL-13924, CLASS 1 OR MIL-DTL-16232, TYPE M, CLASS 4 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER. 20 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.