The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-291-0692, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Louis Allis. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-291-0692 |
| Primary Part Number | 50P01005-2321 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Louis Allis |
| Status | ACTIVE |
| Head Height | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN |
| Fastener Length | 1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM B633 TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.874 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SAEJ429 GR5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL 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 |
|---|---|
| 50P01005-2321 PRIMARY | Louis Allis (USA) |
| Reference | Meaning |
|---|---|
| MS1095-337 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 50P01005-2321 | 5/9 Secondary reference Louis Allis Co the This Company Has Gone Bankrupt and Has Been Purchased by 3 Companies |
NSN 5305-01-291-0692 is a Screw,cap,hexagon Head, manufactured by Louis Allis, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-291-0692 has 1 manufacturer part number on file: 50P01005-2321 (Louis Allis).
Key specifications for 50P01005-2321: Head Height: 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN; Fastener Length: 1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM B633 TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.874 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN. 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.