The Screw,shoulder, cataloged under National Stock Number 5305-01-501-1985, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-501-1985 |
| Primary Part Number | 901-020-406-119 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Head Height | 0.125 INCHES NOMINAL IN |
| Fastener Length | 1.430 INCHES NOMINAL IN |
| Shoulder Length | 0.180 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.625 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.687 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Criticality Code Justification | AGAV |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 4340 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.625 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 901-020-406-119 PRIMARY | The Boeing Company (USA) |
NSN 5305-01-501-1985 is a Screw,shoulder, manufactured by The Boeing Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-501-1985 has 1 manufacturer part number on file: 901-020-406-119 (The Boeing Company).
Key specifications for 901-020-406-119: Head Height: 0.125 INCHES NOMINAL IN; Fastener Length: 1.430 INCHES NOMINAL IN; Shoulder Length: 0.180 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.625 INCHES NOMINAL FIRST SHOULDER 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.