The Setscrew, cataloged under National Stock Number 5305-00-070-2728, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-070-2728 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 0.094 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Head Height | 0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Fastener Length | 1.670 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN |
| Thread Length | 0.780 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT CHAMFER |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.170 INCHES MINIMUM AND 0.190 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 |
| Reference | Meaning |
|---|---|
| 476135 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 476135 | C/1 Advisory reference — outside the item-of-supply concept Honeywell International Inc. Div Aerospace - Torrance |
| 476135 | 3/9 Design control — primary reference Garrett Transportation I, Inc. |
NSN 5305-00-070-2728 is a Setscrew, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-070-2728: Width Across Flats: 0.094 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN; Head Height: 0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Fastener Length: 1.670 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN; Thread Length: 0.780 INCHES MAXIMUM IN. 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.