The Screw,shoulder, cataloged under National Stock Number 5305-00-902-9349, 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16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-00-902-9349 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.062 INCHES NOMINAL IN |
| Fastener Length | 0.342 INCHES NOMINAL IN |
| Shoulder Diameter | 0.250 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.188 INCHES NOMINAL SECOND SHOULDER IN |
| Thread Length | 0.141 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CHROMIUM OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.375 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 |
|---|---|
| 131796 | C/1 Advisory reference — outside the item-of-supply concept Lucent Technologies Inc Corporate Headquarters |
| 131796 | 5/9 Secondary reference At and T Corp |
| 131796 | 3/9 Design control — primary reference American Telephone and Telegraph Co |
NSN 5305-00-902-9349 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-902-9349: Head Height: 0.062 INCHES NOMINAL IN; Fastener Length: 0.342 INCHES NOMINAL IN; Shoulder Diameter: 0.250 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.188 INCHES NOMINAL SECOND 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.