The Stud,stepped, cataloged under National Stock Number 5307-00-459-1015, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-459-1015 |
| Primary Part Number | 6860085-341 |
| Item Name | Stud,stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Thread Length | 0.625 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 0.750 INCHES NOMINAL STUD THREAD IN |
| Style Designator | STEPPED |
| Thread Pitch Diameters | +0.3477 TO 0.3487 INCHES STUD THREAD IN |
| Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.312 INCHES NUT THREAD IN |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Material | IRON ALLOY 660 |
| 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 |
|---|---|
| 6860085-341 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
NSN 5307-00-459-1015 is a Stud,stepped, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-459-1015 has 1 manufacturer part number on file: 6860085-341 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6860085-341: Shank Diameter: 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN; Thread Length: 0.625 INCHES NOMINAL NUT THREAD IN; Thread Length: 0.750 INCHES NOMINAL STUD THREAD IN; Style Designator: STEPPED. 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.