The Screw,shoulder, cataloged under National Stock Number 5305-01-307-6023, 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15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-307-6023 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.090 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN |
| Fastener Length | 0.870 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN |
| Shoulder Length | 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.335 INCHES MINIMUM FIRST SHOULDER IN |
| Thread Length | 0.323 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | AMS4928 ASSN STD 1ST MATERIAL RESPONSE OR AMS4967 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Width Between Flats | 0.410 INCHES MINIMUM IN |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| NAS6403-9 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-307-6023 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-307-6023: Head Height: 0.090 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN; Fastener Length: 0.870 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN; Shoulder Length: 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.335 INCHES MINIMUM 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.