The Screw,machine, cataloged under National Stock Number 5305-00-018-9378, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-018-9378 |
| Primary Part Number | 189378 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Army Weapons Command Attn Amswe-Ree-S |
| Status | ACTIVE |
| Head Height | 0.083 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Screw Surface Treatment | PHOSPHATE |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Screw Material Document and Classification | SAE ASSN STD ALL MATERIAL RESPONSES |
| Thread Length | 0.205 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.125 INCHES IN |
| Head Style | ROUND |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 44 |
| Thread Series Designator | UNF |
| Head Diameter | 0.217 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | MIL-C-16232,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| 189378 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| Reference | Meaning |
|---|---|
| FFS92TYPE1STYLE1S | 4/1 Identification reference U.S. Government activity |
NSN 5305-00-018-9378 is a Screw,machine, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-018-9378 has 1 manufacturer part number on file: 189378 (Army Weapons Command Attn Amswe-Ree-S).
Key specifications for 189378: Head Height: 0.083 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Screw Surface Treatment: PHOSPHATE; Fastener Length: 0.250 INCHES NOMINAL IN; Screw Material Document and Classification: SAE ASSN STD ALL MATERIAL RESPONSES. 14 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.