The Screw,shoulder, cataloged under National Stock Number 5305-01-444-6596, 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17 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-444-6596 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.450 INCHES NOMINAL IN |
| Fastener Length | 0.414 INCHES NOMINAL IN |
| Shoulder Length | 0.034 INCHES NOMINAL SECOND SHOULDER IN |
| Shoulder Length | 0.176 INCHES MINIMUM AND 0.180 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.120 INCHES NOMINAL SECOND SHOULDER IN |
| Shoulder Diameter | 0.325 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.200 INCHES NOMINAL IN |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT FILLISTER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.117 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 |
|---|---|
| 845-4558771 ITEM 1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 2642-822-10 ITEM 37 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 845-4558779 ITEM 37 | 5/2 Secondary reference U.S. Government activity |
| 4558771-0001 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-444-6596 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-444-6596: Head Height: 0.450 INCHES NOMINAL IN; Fastener Length: 0.414 INCHES NOMINAL IN; Shoulder Length: 0.034 INCHES NOMINAL SECOND SHOULDER IN; Shoulder Length: 0.176 INCHES MINIMUM AND 0.180 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.