The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-155-9788, 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 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-155-9788 |
| Primary Part Number | 518-4674802 ITEM 10 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 62.0 MICROINCHES GRIP |
| Head Height | 0.690 INCHES NOMINAL IN |
| Fastener Length | 7.960 INCHES MINIMUM AND 8.040 INCHES MAXIMUM IN |
| Thread Length | 1.830 INCHES MINIMUM AND 1.950 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-N-286 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.500 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 8 |
| Material | NICKEL ALLOY K-500 OVERALL |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| 518-4674802 ITEM 10 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5305-01-155-9788 is a Screw,cap,hexagon Head, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-155-9788 has 1 manufacturer part number on file: 518-4674802 ITEM 10 (Naval Sea Systems Command).
Key specifications for 518-4674802 ITEM 10: Surface Finish: 62.0 MICROINCHES GRIP; Head Height: 0.690 INCHES NOMINAL IN; Fastener Length: 7.960 INCHES MINIMUM AND 8.040 INCHES MAXIMUM IN; Thread Length: 1.830 INCHES MINIMUM AND 1.950 INCHES MAXIMUM IN. 13 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.