The Setscrew, cataloged under National Stock Number 5305-01-394-3580, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-394-3580 |
| Primary Part Number | NB21776742 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-281, CLA FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | POINTLESS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | NICKEL ALLOY 400 OR NICKEL ALLOY K-500 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| NB21776742 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| N-582 REV A PC NO. 23 | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
| 17767-42 | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 5305-01-394-3580 is a Setscrew, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-394-3580 has 1 manufacturer part number on file: NB21776742 (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for NB21776742: Fastener Length: 0.375 INCHES NOMINAL IN; Material Document and Classification: QQ-N-281, CLA FED SPEC ALL MATERIAL RESPONSES OVERALL; Nominal Thread Diameter: 0.312 INCHES IN; Head Style: HEADLESS (SETSCREW). 11 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.