The Setscrew, cataloged under National Stock Number 5305-01-159-6186, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-159-6186 |
| Primary Part Number | 310726-20 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Point Diameter | 0.180 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN |
| Width Across Flats | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Point Length | 0.100 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Fastener Length | 1.050 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | DOG |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 302 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 322 OR STEEL COMP 324 OR STEEL COMP 347 OR STEEL COMP 309 OVERALL |
| Thread Series Designator | UNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5305-01-159-6186 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 5305-01-159-6186 has 2 manufacturer part numbers on file: 310726-20 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 310726-20 (Service & Sales Inc).
Key specifications for 310726-20: Point Diameter: 0.180 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN; Width Across Flats: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Point Length: 0.100 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN; Fastener Length: 1.050 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN. 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.