The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-072-9488, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 18 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 | 5305-01-072-9488 |
| Primary Part Number | 11508421 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Head Height | 0.190 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Fastener Length | 0.535 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-14538 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.200 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5738,303SE,COND B ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | CHROMIUM OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.440 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 |
|---|---|
| 11508421 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5305-01-072-9488 is a Screw,externally Relieved Body, manufactured by Us Army Aviation and Missile Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-072-9488 has 1 manufacturer part number on file: 11508421 (Us Army Aviation and Missile Command).
Key specifications for 11508421: Head Height: 0.190 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN; Fastener Length: 0.535 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-14538 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.200 INCHES NOMINAL IN. 18 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.