The Screw,shoulder, cataloged under National Stock Number 5305-01-293-3450, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Watervliet Arsenal Div Business Development. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-293-3450 |
| Primary Part Number | 11580155 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| Status | ACTIVE |
| Head Height | 0.087 INCHES NOMINAL IN |
| Fastener Length | 0.643 INCHES NOMINAL IN |
| Shoulder Length | 0.065 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.450 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.458 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 4340 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.630 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 | X |
| Part Number | Manufacturer |
|---|---|
| 11580155 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
| M109A6.19.032 | CAGE A3QPJ |
| STS 2018.12.10913.31 | CAGE A4TRJ |
NSN 5305-01-293-3450 is a Screw,shoulder, manufactured by Army, United States Department of the Dba Watervliet Arsenal Div Business Development, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-293-3450 has 3 manufacturer part numbers on file: 11580155 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development), M109A6.19.032, STS 2018.12.10913.31.
Key specifications for 11580155: Head Height: 0.087 INCHES NOMINAL IN; Fastener Length: 0.643 INCHES NOMINAL IN; Shoulder Length: 0.065 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.450 INCHES NOMINAL FIRST SHOULDER IN. 15 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.