The Screw,shoulder, cataloged under National Stock Number 5305-01-464-2848, 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-464-2848 |
| Primary Part Number | 123WM10171-9 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Head Height | 0.057 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN |
| Fastener Length | 0.577 INCHES NOMINAL IN |
| Shoulder Length | 0.230 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.251 INCHES MINIMUM AND 0.254 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.347 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK UNDERCUT |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOT |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.515 INCHES MINIMUM AND 0.531 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 |
|---|---|
| 123WM10171-9 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123WM10171-9 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5305-01-464-2848 is a Screw,shoulder, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-464-2848 has 1 manufacturer part number on file: 123WM10171-9 (Northrop Grumman Systems Corporation).
Key specifications for 123WM10171-9: Head Height: 0.057 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN; Fastener Length: 0.577 INCHES NOMINAL IN; Shoulder Length: 0.230 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.251 INCHES MINIMUM AND 0.254 INCHES MAXIMUM FIRST SHOULDER IN. 18 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.