The Screw,shoulder, cataloged under National Stock Number 5305-00-939-9018, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-939-9018 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.080 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN |
| Fastener Length | 0.925 INCHES NOMINAL IN |
| Shoulder Length | 0.170 INCHES MINIMUM AND 0.175 INCHES MAXIMUM SECOND SHOULDER IN |
| Shoulder Length | 0.489 INCHES MINIMUM AND 0.491 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.1706 INCHES MINIMUM AND 0.1712 INCHES MAXIMUM SECOND SHOULDER IN |
| Shoulder Diameter | 0.201 INCHES MINIMUM AND 0.205 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.260 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | KPS 51 200 FSCM 78189 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.245 INCHES MINIMUM AND 0.250 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 |
|---|---|
| 45337210010 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-00-939-9018 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-939-9018: Head Height: 0.080 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN; Fastener Length: 0.925 INCHES NOMINAL IN; Shoulder Length: 0.170 INCHES MINIMUM AND 0.175 INCHES MAXIMUM SECOND SHOULDER IN; Shoulder Length: 0.489 INCHES MINIMUM AND 0.491 INCHES MAXIMUM FIRST SHOULDER IN. 19 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.