The Screw,shoulder, cataloged under National Stock Number 5305-01-437-8733, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-437-8733 |
| Primary Part Number | 6872926-1 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 0.750 INCHES NOMINAL IN |
| Head Height | 3.500 INCHES NOMINAL IN |
| Fastener Length | 9.750 INCHES NOMINAL IN |
| Shoulder Length | 0.500 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.495 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.475 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.750 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 |
|---|---|
| 6872926-1 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5305-01-437-8733 is a Screw,shoulder, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-437-8733 has 1 manufacturer part number on file: 6872926-1 (Naval Sea Systems Command).
Key specifications for 6872926-1: Width Across Flats: 0.750 INCHES NOMINAL IN; Head Height: 3.500 INCHES NOMINAL IN; Fastener Length: 9.750 INCHES NOMINAL IN; Shoulder Length: 0.500 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.