The Screw,shoulder, cataloged under National Stock Number 5305-01-388-9102, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-388-9102 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.200 INCHES NOMINAL IN |
| Fastener Length | 2.768 INCHES NOMINAL IN |
| Shoulder Length | 2.410 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.3490 INCHES MINIMUM AND 0.3500 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.358 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.2500 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CHROMIUM OVERALL |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.600 INCHES NOMINAL 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 |
|---|---|
| DAA3521D207-001 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-388-9102 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-388-9102: Head Height: 0.200 INCHES NOMINAL IN; Fastener Length: 2.768 INCHES NOMINAL IN; Shoulder Length: 2.410 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.3490 INCHES MINIMUM AND 0.3500 INCHES MAXIMUM FIRST SHOULDER IN. 17 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.