The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-00-310-9642, 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 19 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 | 5307-00-310-9642 |
| Primary Part Number | 6877225 |
| Item Name | Stud,shouldered and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Cotter Pin Hole Diameter | 0.070 INCHES NOMINAL FIRST HOLE IN |
| Thread Length | 0.429 INCHES MINIMUM AND 0.500 INCHES MAXIMUM NUT THREAD IN |
| Thread Length | 0.542 INCHES MINIMUM AND 0.625 INCHES MAXIMUM STUD THREAD IN |
| Style Designator | SHOULDERED AND STEPPED |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.312 INCHES STUD THREAD IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 24 STUD THREAD |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Material | STEEL |
| Distance Across Flats | 0.493 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Shoulder Length | 0.234 INCHES NOMINAL IN |
| Thread Series Designator | UNF STUD THREAD |
| Thread Series Designator | UNF NUT THREAD |
| Distance From Cotter Pin Hole Centerline to Nut End | 0.593 INCHES NOMINAL FIRST HOLE 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 |
|---|---|
| 6877225 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
NSN 5307-00-310-9642 is a Stud,shouldered and Stepped, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-310-9642 has 1 manufacturer part number on file: 6877225 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6877225: Cotter Pin Hole Diameter: 0.070 INCHES NOMINAL FIRST HOLE IN; Thread Length: 0.429 INCHES MINIMUM AND 0.500 INCHES MAXIMUM NUT THREAD IN; Thread Length: 0.542 INCHES MINIMUM AND 0.625 INCHES MAXIMUM STUD THREAD IN; Style Designator: SHOULDERED AND STEPPED. 19 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.