The Setscrew, cataloged under National Stock Number 5305-00-080-8953, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc. Government technical data includes 18 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 | 5305-00-080-8953 |
| Primary Part Number | 50-003-204 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc |
| Status | ACTIVE |
| Point Diameter | 0.101 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Width Across Flats | 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN |
| Head Height | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Point Length | 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN |
| Fastener Length | 0.355 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN |
| Thread Length | 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Point Style | DOG |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Thread Series Designator | UNF |
| Head Diameter | 0.290 INCHES MINIMUM AND 0.310 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 |
|---|---|
| 50-003-204 PRIMARY | Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc (USA) |
NSN 5305-00-080-8953 is a Setscrew, manufactured by Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-080-8953 has 1 manufacturer part number on file: 50-003-204 (Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc).
Key specifications for 50-003-204: Point Diameter: 0.101 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN; Width Across Flats: 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN; Head Height: 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN; Point Length: 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN. 18 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.