The Screw,shoulder, cataloged under National Stock Number 5305-00-045-3254, 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15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-045-3254 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Fastener Length | 0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN |
| Shoulder Length | 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| 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 |
| Reference | Meaning |
|---|---|
| 841B748P3 | 5/9 Secondary reference General Electric Company |
| 841B748P3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-00-045-3254 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-045-3254: Head Height: 0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Fastener Length: 0.680 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN; Shoulder Length: 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.248 INCHES MINIMUM AND 0.252 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.