The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-232-0423, 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 24 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-232-0423 |
| Primary Part Number | 2797768-1 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| Fourth Diameter From Head | 0.1241 INCHES MINIMUM AND 0.1246 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Fifth Diameter | 0.325 INCHES NOMINAL IN |
| Head Height | 0.100 INCHES NOMINAL IN |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.097 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.160 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 0.150 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.1856 INCHES MINIMUM AND 0.1861 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Sixth Diameter | 0.373 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN |
| Width Between Flats | 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.025 INCHES NOMINAL IN |
| Fifth Diameter From Head | 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 5 |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 303 OVERALL |
| Distance From Largest Bearing Surface of Head to End of Fourth Diameter | 0.175 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN |
| Third Diameter From Head | 0.100 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 2797768-1 PRIMARY | Honeywell Intl Inc Defense Avionics Systems (USA) |
| Reference | Meaning |
|---|---|
| 2797768-1 | 5/9 Secondary reference Leonardo Uk Ltd |
| 2797768-1 | 5/9 Secondary reference Leonardo Mw Ltd |
NSN 5305-01-232-0423 is a Screw,externally Relieved Body, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-232-0423 has 1 manufacturer part number on file: 2797768-1 (Honeywell Intl Inc Defense Avionics Systems).
Key specifications for 2797768-1: Fourth Diameter From Head: 0.1241 INCHES MINIMUM AND 0.1246 INCHES MAXIMUM IN; Distance From Largest Bearing Surface of Head to End of Fifth Diameter: 0.325 INCHES NOMINAL IN; Head Height: 0.100 INCHES NOMINAL IN; Fastener Length: 0.500 INCHES NOMINAL IN. 24 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.