The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-448-4707, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-448-4707 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Extended Washer Thickness | 0.030 INCHES NOMINAL IN |
| Head Height | 0.230 INCHES NOMINAL IN |
| Fastener Length | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.312 INCHES NOMINAL IN |
| Thread Length | 0.346 INCHES MINIMUM AND 0.386 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.219 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.062 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Minimum Tensile Strength | 130000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 36 |
| Material | IRON ALLOY 660 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 |
| Reference | Meaning |
|---|---|
| MS9555-05 | 2/2 Government specification standardization U.S. Government activity |
NSN 5305-00-448-4707 is a Screw,externally Relieved Body, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-448-4707: Extended Washer Thickness: 0.030 INCHES NOMINAL IN; Head Height: 0.230 INCHES NOMINAL IN; Fastener Length: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN; Extended Washer Diameter: 0.312 INCHES NOMINAL IN. 19 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.