The Screw,shoulder, cataloged under National Stock Number 5305-01-615-7303, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-615-7303 |
| Primary Part Number | 0178651 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fastenal Company Dba Fastenal Co |
| Status | ACTIVE |
| Width Across Flats | 0.2500 INCHES MINIMUM AND 0.2530 INCHES MAXIMUM IN |
| Head Height | 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Fastener Length | 1.090 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN |
| Shoulder Length | 0.402 INCHES MINIMUM AND 0.412 INCHES MAXIMUM OVERALL IN |
| Shoulder Diameter | 0.4960 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM OVERALL IN |
| Thread Length | 0.566 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.729 INCHES MINIMUM AND 0.750 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 |
|---|---|
| CC-0010731 | Independent Rough Terrain Center Llc (USA) |
| 0178651 PRIMARY | Fastenal Company Dba Fastenal Co (USA) |
NSN 5305-01-615-7303 is a Screw,shoulder, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-615-7303 has 2 manufacturer part numbers on file: CC-0010731 (Independent Rough Terrain Center Llc), 0178651 (Fastenal Company Dba Fastenal Co).
Key specifications for 0178651: Width Across Flats: 0.2500 INCHES MINIMUM AND 0.2530 INCHES MAXIMUM IN; Head Height: 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Fastener Length: 1.090 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN; Shoulder Length: 0.402 INCHES MINIMUM AND 0.412 INCHES MAXIMUM OVERALL 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.