The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-274-3227, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 17 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 | 5305-01-274-3227 |
| Primary Part Number | 791709-1 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Head Height | 0.045 INCHES NOMINAL IN |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Thread Length | 0.245 INCHES NOMINAL IN |
| First Diameter From Head | 0.085 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT COUNTERSUNK UNDERCUT |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | CHROMIUM GRIP |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNJC |
| Head Diameter | 0.219 INCHES NOMINAL 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 |
|---|---|
| 791709-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 5305-01-274-3227 is a Screw,externally Relieved Body, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-274-3227 has 1 manufacturer part number on file: 791709-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 791709-1: Head Height: 0.045 INCHES NOMINAL IN; Fastener Length: 0.625 INCHES NOMINAL IN; Thread Length: 0.245 INCHES NOMINAL IN; First Diameter From Head: 0.085 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN. 17 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.