The Setscrew, cataloged under National Stock Number 5305-00-446-7734, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-446-7734 |
| Primary Part Number | 661615 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Head Height | 0.161 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Fastener Length | 0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN |
| Thread Length | 0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Point Style | CONE |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 303SE OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.389 INCHES MINIMUM AND 0.414 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 |
|---|---|
| 661615 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 661615 | 5/9 Secondary reference U.S. Government activity |
| 661615 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 5305-00-446-7734 is a Setscrew, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 5305, Screws. Status: active.
NSN 5305-00-446-7734 has 1 manufacturer part number on file: 661615 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
1 possible match (shared part number, not a government interchangeability claim): 5955-00-483-4428. Verify interchangeability with system specifications before substitution.
Key specifications for 661615: Head Height: 0.161 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN; Fastener Length: 0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN; Thread Length: 0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL. 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.