The Stud,plain, cataloged under National Stock Number 5307-01-121-9883, 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 8 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 | 5307-01-121-9883 |
| Primary Part Number | 8331791-1 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Thread Length | 0.938 INCHES MINIMUM AND 1.062 INCHES MAXIMUM STUD THREAD IN |
| Thread Pitch Diameters | +0.5680 TO 0.5710 INCHES STUD THREAD IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Nominal Thread Size | 0.625 INCHES STUD THREAD IN |
| Thread Class | 2A STUD THREAD A |
| Thread Quantity Per Inch | 18 STUD THREAD |
| Material | STEEL COMP 1035 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD 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 |
|---|---|
| 8331791-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5307-01-121-9883 is a Stud,plain, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-121-9883 has 1 manufacturer part number on file: 8331791-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8331791-1: Thread Length: 0.938 INCHES MINIMUM AND 1.062 INCHES MAXIMUM STUD THREAD IN; Thread Pitch Diameters: +0.5680 TO 0.5710 INCHES STUD THREAD IN; Overall Length: 2.312 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND STUD THREAD. 8 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.