The Stud,shouldered, cataloged under National Stock Number 5307-01-100-0450, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-100-0450 |
| Primary Part Number | 12271183 |
| Item Name | Stud,shouldered |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Nut End Shank Diameter | 0.251 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Thread Length | 0.520 INCHES MINIMUM AND 0.570 INCHES MAXIMUM NUT THREAD IN |
| Style Designator | SHOULDERED |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Stud End Shank Diameter | 0.251 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Nut End Shank Length | 0.700 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Stud End Shank Length | 0.120 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Thread Class | 3A LOCATION NOT OTHERWISE SPECIFIED A |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Material | STEEL |
| Distance Across Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Shoulder Length | 0.175 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD |
| 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 |
|---|---|
| 12271183 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5307-01-100-0450 is a Stud,shouldered, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-100-0450 has 1 manufacturer part number on file: 12271183 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12271183: Nut End Shank Diameter: 0.251 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN; Thread Length: 0.520 INCHES MINIMUM AND 0.570 INCHES MAXIMUM NUT THREAD IN; Style Designator: SHOULDERED; Overall Length: 2.030 INCHES NOMINAL IN. 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.