The Screw,shoulder, cataloged under National Stock Number 5305-00-017-6174, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-017-6174 |
| Primary Part Number | 128WM10245-11 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Width Across Flats | 0.750 INCHES MINIMUM AND 0.754 INCHES MAXIMUM IN |
| Head Height | 1.000 INCHES NOMINAL IN |
| Fastener Length | 3.625 INCHES NOMINAL IN |
| Shoulder Length | 2.906 INCHES MINIMUM AND 2.921 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.9955 INCHES MINIMUM AND 0.9985 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.704 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 4340 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 1.438 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 |
|---|---|
| 128WM10245-11 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 128WM10245-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5305-00-017-6174 is a Screw,shoulder, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-017-6174 has 1 manufacturer part number on file: 128WM10245-11 (Northrop Grumman Systems Corporation).
Key specifications for 128WM10245-11: Width Across Flats: 0.750 INCHES MINIMUM AND 0.754 INCHES MAXIMUM IN; Head Height: 1.000 INCHES NOMINAL IN; Fastener Length: 3.625 INCHES NOMINAL IN; Shoulder Length: 2.906 INCHES MINIMUM AND 2.921 INCHES MAXIMUM FIRST SHOULDER 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.