The Screw,shoulder, cataloged under National Stock Number 5305-00-730-7890, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Watervliet Arsenal Div Business Development. Government technical data includes 19 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 | 5305-00-730-7890 |
| Primary Part Number | 7307890 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| Status | ACTIVE |
| Fastener Length | 0.940 INCHES NOMINAL IN |
| Shoulder Length | 0.370 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.254 INCHES MINIMUM AND 0.256 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.360 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.070 INCHES NOMINAL FIRST HOLE IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PHOSPHATE OVERALL |
| Internal Drive Style | SLOT |
| Countersink Angle | 90.0 DEGREES NOMINAL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 1330 OR STEEL COMP 1340 OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 0.840 INCHES NOMINAL FIRST HOLE IN |
| Head Diameter | 0.386 INCHES MINIMUM AND 0.390 INCHES MAXIMUM 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 |
|---|---|
| 7307890 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
NSN 5305-00-730-7890 is a Screw,shoulder, manufactured by Army, United States Department of the Dba Watervliet Arsenal Div Business Development, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-730-7890 has 1 manufacturer part number on file: 7307890 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
Key specifications for 7307890: Fastener Length: 0.940 INCHES NOMINAL IN; Shoulder Length: 0.370 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.254 INCHES MINIMUM AND 0.256 INCHES MAXIMUM FIRST SHOULDER IN; Thread Length: 0.360 INCHES MINIMUM IN. 19 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.