The Screw,shoulder, cataloged under National Stock Number 5305-01-375-7153, 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 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-375-7153 |
| Primary Part Number | 123-6078026 ITEM 43 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 0.093 INCHES NOMINAL IN |
| Head Height | 0.156 INCHES NOMINAL IN |
| Fastener Length | 1.688 INCHES NOMINAL IN |
| Shoulder Length | 1.500 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.187 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.188 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.312 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 |
| Part Number | Manufacturer |
|---|---|
| 123-6078026 ITEM 43 PRIMARY | Naval Sea Systems Command (USA) |
| 9X25-0648 | Designatronics Inc Div Stock Drive Products (USA) |
NSN 5305-01-375-7153 is a Screw,shoulder, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-375-7153 has 2 manufacturer part numbers on file: 123-6078026 ITEM 43 (Naval Sea Systems Command), 9X25-0648 (Designatronics Inc Div Stock Drive Products).
Key specifications for 123-6078026 ITEM 43: Width Across Flats: 0.093 INCHES NOMINAL IN; Head Height: 0.156 INCHES NOMINAL IN; Fastener Length: 1.688 INCHES NOMINAL IN; Shoulder Length: 1.500 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.