The Screw,shoulder, cataloged under National Stock Number 5305-01-573-4332, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 14 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 | 5305-01-573-4332 |
| Primary Part Number | 94045A305 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Fastener Length | 1.060 INCHES NOMINAL IN |
| Shoulder Length | 0.625 INCHES NOMINAL OVERALL IN |
| Shoulder Diameter | 0.313 INCHES NOMINAL OVERALL IN |
| Thread Length | 0.438 INCHES NOMINAL IN |
| Shoulder Shape | ROUND OVERALL |
| Hardness Rating | 65.0 ROCKWELL B MINIMUM OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Minimum Tensile Strength | 90000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE II |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| 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 |
|---|---|
| 94045A305 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 5305-01-573-4332 is a Screw,shoulder, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-573-4332 has 1 manufacturer part number on file: 94045A305 (Mcmaster-Carr Supply Co).
Key specifications for 94045A305: Fastener Length: 1.060 INCHES NOMINAL IN; Shoulder Length: 0.625 INCHES NOMINAL OVERALL IN; Shoulder Diameter: 0.313 INCHES NOMINAL OVERALL IN; Thread Length: 0.438 INCHES NOMINAL IN. 14 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.