The Setscrew, cataloged under National Stock Number 5305-01-391-1669, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Interspiro Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-391-1669 |
| Primary Part Number | 460-190-443 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Interspiro Inc |
| Status | ACTIVE |
| External Thread Tolerance Class | 6E |
| Fastener Length | 4.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.0 |
| Thread Length | 2.5 MILLIMETERS NOMINAL MM |
| Hole Configuration Style | ROUND LONGITUDINAL HOLE |
| Nominal Thread Diameter | 12.0 MILLIMETERS MM |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | HALF DOG |
| Internal Drive Style | SLOT |
| Material | COPPER ALLOY OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | M |
| Hole Type | DRILLED |
| Hole Diameter | 4.5 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 460-190-443 PRIMARY | Interspiro Inc (USA) |
| Reference | Meaning |
|---|---|
| 336-100-350 | 3/9 Design control — primary reference Interspiro Inc |
NSN 5305-01-391-1669 is a Setscrew, manufactured by Interspiro Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-391-1669 has 1 manufacturer part number on file: 460-190-443 (Interspiro Inc).
Key specifications for 460-190-443: External Thread Tolerance Class: 6E; Fastener Length: 4.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 1.0; Thread Length: 2.5 MILLIMETERS NOMINAL MM. 15 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.