The Screw,machine, cataloged under National Stock Number 5305-01-374-4828, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. 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 | 5305-01-374-4828 |
| Primary Part Number | 39031-98C-12B |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN |
| Screw Surface Treatment | OXIDE |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Thread Length | 0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | BUTTON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.094 INCHES NOMINAL IN |
| Screw Material | STEEL CORROSION RESISTING |
| Color | BLACK |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNRC |
| Head Diameter | 0.298 INCHES MINIMUM AND 0.312 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 |
|---|---|
| 39031-98C-12B PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
NSN 5305-01-374-4828 is a Screw,machine, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-374-4828 has 1 manufacturer part number on file: 39031-98C-12B (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for 39031-98C-12B: Head Height: 0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN; Screw Surface Treatment: OXIDE; Fastener Length: 0.750 INCHES NOMINAL IN; Thread Length: 0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM 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.