The Screw,shoulder, cataloged under National Stock Number 5305-01-074-3371, 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16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-074-3371 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.120 INCHES NOMINAL IN |
| Fastener Length | 0.580 INCHES NOMINAL IN |
| Shoulder Length | 0.190 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.135 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.330 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2B |
| Thread Quantity Per Inch | 40 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.310 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 |
|---|---|
| SMB777834-2 | 3/2 Design control — primary reference U.S. Government activity |
| SMB777834-2 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| SMB777834-2 | C/1 Advisory reference — outside the item-of-supply concept L3 Technologies, Inc. Div Communication Systems-East |
NSN 5305-01-074-3371 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-074-3371: Head Height: 0.120 INCHES NOMINAL IN; Fastener Length: 0.580 INCHES NOMINAL IN; Shoulder Length: 0.190 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.135 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.