The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-184-0825, 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 17 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 | 5305-01-184-0825 |
| Primary Part Number | 5562235-317 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Extended Washer Thickness | 0.190 INCHES NOMINAL IN |
| Width Across Flats | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Head Height | 1.690 INCHES NOMINAL IN |
| Fastener Length | 1.130 INCHES NOMINAL IN |
| Extended Washer Diameter | 1.740 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| Thread Length | 1.030 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | LEFT-HAND |
| Width Between Flats | 0.870 INCHES MINIMUM AND 0.874 INCHES MAXIMUM IN |
| Internal Drive Style | SQUARE |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | NICKEL ALLOY 400 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 5562235-317 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5305-01-184-0825 is a Screw,cap,socket Head, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-184-0825 has 1 manufacturer part number on file: 5562235-317 (Naval Sea Systems Command).
Key specifications for 5562235-317: Surface Finish: 32.0 MICROINCHES GRIP; Extended Washer Thickness: 0.190 INCHES NOMINAL IN; Width Across Flats: 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Head Height: 1.690 INCHES NOMINAL IN. 17 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.