The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-140-3050, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Honeywell Intl Inc Defense Avionics Systems. Government technical data includes 16 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 | 5305-01-140-3050 |
| Primary Part Number | 2801285-1 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| Head Height | 0.087 INCHES MINIMUM AND 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM0.097 INCHES MAXIMUM IN |
| Fastener Length | 0.600 INCHES NOMINAL0.600 INCHES NOMINAL IN |
| Thread Length | 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN |
| First Diameter From Head | 0.095 INCHES NOMINAL0.095 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.138 INCHES0.138 INCHES IN |
| Head Style | FLAT CHAMFERFLAT CHAMFER |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.350 INCHES NOMINAL0.350 INCHES NOMINAL IN |
| Askewed Head Angle | 90.0 DEGREES NOMINAL90.0 DEGREES NOMINAL |
| Externally Relieved Body Diameter Quantity | 11 |
| Internal Drive Style | CROSS RECESS TYPE 1CROSS RECESS TYPE 1 |
| Thread Class | 2A2A |
| Thread Quantity Per Inch | 3232 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.256 INCHES MINIMUM AND 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM0.270 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 |
|---|---|
| 2801285-1 PRIMARY | Honeywell Intl Inc Defense Avionics Systems (USA) |
NSN 5305-01-140-3050 is a Screw,externally Relieved Body, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-140-3050 has 1 manufacturer part number on file: 2801285-1 (Honeywell Intl Inc Defense Avionics Systems).
Key specifications for 2801285-1: Head Height: 0.087 INCHES MINIMUM AND 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM0.097 INCHES MAXIMUM IN; Fastener Length: 0.600 INCHES NOMINAL0.600 INCHES NOMINAL IN; Thread Length: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN; First Diameter From Head: 0.095 INCHES NOMINAL0.095 INCHES NOMINAL IN. 16 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.