The Screw,shoulder, cataloged under National Stock Number 5305-01-087-0544, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-087-0544 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.312 INCHES NOMINAL IN |
| Fastener Length | 0.906 INCHES NOMINAL IN |
| Shoulder Length | 0.219 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.161 INCHES MINIMUM AND 0.164 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.687 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.373 INCHES MINIMUM AND 0.374 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 |
| Reference | Meaning |
|---|---|
| 2641-405-01 ITEM 47 | 5/9 Secondary reference Bishop Enterprises, Inc. |
| 2641-405-01 ITEM 47 | 5/9 Secondary reference U.S. Government activity |
| 2641-405-01 ITEM 47 | 5/9 Secondary reference Davies Precision Machinery |
| 2641-809-41 ITEM 10 | 3/2 Design control — primary reference U.S. Government activity |
| 264180941-0010 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-087-0544 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-087-0544: Head Height: 0.312 INCHES NOMINAL IN; Fastener Length: 0.906 INCHES NOMINAL IN; Shoulder Length: 0.219 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.161 INCHES MINIMUM AND 0.164 INCHES MAXIMUM 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.