The Setscrew, cataloged under National Stock Number 5305-01-398-4022, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 20 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 | 5305-01-398-4022 |
| Primary Part Number | 2743999-1 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Point Diameter | 0.079 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN |
| Point Length | 1.780 INCHES MINIMUM AND 1.810 INCHES MAXIMUM IN |
| Fastener Length | 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.700 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-2-6758, COMP 4130 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | CHAMFER DOG |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 4130 OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hole Type | DRILLED |
| Hole Diameter | 0.040 INCHES MINIMUM AND 0.050 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 |
|---|---|
| 2743999-1 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
NSN 5305-01-398-4022 is a Setscrew, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-398-4022 has 1 manufacturer part number on file: 2743999-1 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 2743999-1: Point Diameter: 0.079 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN; Point Length: 1.780 INCHES MINIMUM AND 1.810 INCHES MAXIMUM IN; Fastener Length: 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416, TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 20 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.