The Screw,shoulder, cataloged under National Stock Number 5305-00-902-3072, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-902-3072 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.093 INCHES NOMINAL IN |
| Fastener Length | 0.421 INCHES NOMINAL IN |
| Shoulder Length | 0.303 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.246 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.116 INCHES MINIMUM AND 0.118 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 | 0.312 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 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 |
|---|---|
| 241838 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-00-902-3072 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-902-3072: Head Height: 0.093 INCHES NOMINAL IN; Fastener Length: 0.421 INCHES NOMINAL IN; Shoulder Length: 0.303 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.246 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.