The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-194-7891, 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 22 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 | 5305-01-194-7891 |
| Primary Part Number | 12336185 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Width Across Flats | 0.375 INCHES NOMINAL IN |
| Head Height | 0.433 INCHES NOMINAL IN |
| Fastener Length | 0.472 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| Thread Length | 0.303 INCHES NOMINAL IN |
| Material Document and Classification | POLYMER CORP POLYAMID PA11 MFR REF SINGLE MATERIAL RESPONSE LOCKING FEATURE |
| Material Document and Classification | QQ-S-763 CL 304 FED SPEC SINGLE MATERIAL RESPONSE FASTENER |
| First Diameter From Head | 0.370 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.083 INCHES NOMINAL IN |
| Locking Feature | STRIP THREADS |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE FASTENER |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| Material | STEEL COMP 304 FASTENER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.630 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 |
|---|---|
| 12336185 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5305-01-194-7891 is a Screw,externally Relieved Body, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-194-7891 has 1 manufacturer part number on file: 12336185 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12336185: Width Across Flats: 0.375 INCHES NOMINAL IN; Head Height: 0.433 INCHES NOMINAL IN; Fastener Length: 0.472 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER. 22 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.