The Screw,machine, cataloged under National Stock Number 5305-01-615-4674, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Promptus Electonic Hardware Inc. 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 | 5305-01-615-4674 |
| Primary Part Number | 17316SS1/420E |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Promptus Electonic Hardware Inc |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 1.563 INCHES NOMINAL IN |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Shank Surface Treatment | PASSIVATE |
| Bearing Surface of Head Surface Treatment | PASSIVATE |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Surface Treatment | PASSIVATE |
| Head Style | KNURLED NO. 4 |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| 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 |
|---|---|
| 17316SS1/420E PRIMARY | Promptus Electonic Hardware Inc (USA) |
NSN 5305-01-615-4674 is a Screw,machine, manufactured by Promptus Electonic Hardware Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-615-4674 has 1 manufacturer part number on file: 17316SS1/420E (Promptus Electonic Hardware Inc).
Key specifications for 17316SS1/420E: Head Height: 0.250 INCHES NOMINAL IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 1.563 INCHES NOMINAL IN; Thread Length: 0.375 INCHES NOMINAL 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.