The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-672-4066, 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 10 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-672-4066 |
| Primary Part Number | 12601237-009 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 2.68 MILLIMETERS MINIMUM AND 2.92 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 50.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 0.7 |
| Thread Length | 14.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 4.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 6.78 MILLIMETERS MINIMUM AND 7.00 MILLIMETERS MAXIMUM MM |
| Thread Series Designator | M |
| 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 |
|---|---|
| 12601237-009 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12601237-009 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 12601237 | D/9 Drawing number reference only Oshkosh Defense Llc |
NSN 5305-01-672-4066 is a Screw,cap,hexagon Head, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-672-4066 has 2 manufacturer part numbers on file: 12601237-009 (U S Army Tank Automotive Command Amsta-Im-Mm), 12601237-009 (Oshkosh Defense Llc).
Key specifications for 12601237-009: Head Height: 2.68 MILLIMETERS MINIMUM AND 2.92 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Fastener Length: 50.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 0.7. 10 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.