The Screw,machine, cataloged under National Stock Number 5305-01-481-3414, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-481-3414 |
| Primary Part Number | 123-1678724 PC 28 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Thread Length | 1.625 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.6250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL CORROSION RESISTING |
| Thread Quantity Per Inch | 11 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 123-1678724 PC 28 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 123-1678724 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5305-01-481-3414 is a Screw,machine, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-481-3414 has 1 manufacturer part number on file: 123-1678724 PC 28 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 5306-01-481-3443, 5305-01-481-3625, 5315-01-481-7277. Verify interchangeability with system specifications before substitution.
Key specifications for 123-1678724 PC 28: Thread Length: 1.625 INCHES NOMINAL IN; Nominal Thread Diameter: 0.6250 INCHES IN; Thread Direction: RIGHT-HAND; Screw Material: STEEL CORROSION RESISTING. 6 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.