The Screw,drive, cataloged under National Stock Number 5305-01-378-9185, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-378-9185 |
| Primary Part Number | 12387333-46 |
| Item Name | Screw,drive |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.179 INCHES IN |
| Head Height | 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN |
| Fastener Length | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,CL2,TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Nonmachine Thread Style | DRIVE SCREW (TYPE U) |
| Features Provided | CASEHARDENED |
| Head Style | ROUND |
| Pilot Diameter | 0.146 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Pilot Length | 0.062 INCHES NOMINAL IN |
| Color | OLIVE DRAB OVERALL |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Head Diameter | 0.334 INCHES MINIMUM AND 0.359 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 |
|---|---|
| 12387333-46 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5184095F PART NO. 12 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 803-5184095F PART NO. 12 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 5184095 PART 12 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5305-01-378-9185 is a Screw,drive, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-378-9185 has 1 manufacturer part number on file: 12387333-46 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12387333-46: Nonmachine Nominal Thread Diameter: 0.179 INCHES IN; Head Height: 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN; Fastener Length: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,CL2,TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 13 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.