The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-415-2158, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-415-2158 |
| Primary Part Number | 9176223-4 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Head Height | 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN |
| Fastener Length | 0.893 INCHES MINIMUM AND 0.925 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | 171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.286 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.104 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.505 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 302 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.359 INCHES MINIMUM AND 0.391 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 |
|---|---|
| 207MS016APT32 | Raytheon Company (USA) |
| 9176223-4 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 207MS016APT32 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 207MS016APT32 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5305-00-415-2158 is a Screw,externally Relieved Body, manufactured by Us Army Aviation and Missile Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-415-2158 has 3 manufacturer part numbers on file: 207MS016APT32 (Raytheon Company), 9176223-4 (Us Army Aviation and Missile Command), 207MS016APT32 (Raytheon Company Dba Raytheon Co).
Key specifications for 9176223-4: Head Height: 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN; Fastener Length: 0.893 INCHES MINIMUM AND 0.925 INCHES MAXIMUM IN; Surface Treatment Document and Classification: 171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.286 INCHES MINIMUM AND 0.338 INCHES MAXIMUM 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.