The Stud,shouldered, cataloged under National Stock Number 5307-00-131-3376, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-131-3376 |
| Primary Part Number | 6865664-2 |
| Item Name | Stud,shouldered |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Nut End Shank Diameter | 0.248 INCHES NOMINAL IN |
| Thread Length | 0.417 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 0.338 INCHES NOMINAL STUD THREAD IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | EMS64500 DETROIT DIESEL ALLISON MFR REF SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.312 INCHES NUT THREAD IN |
| Shoulder Diameter | 0.667 INCHES MINIMUM AND 0.677 INCHES MAXIMUM IN |
| Stud End Shank Diameter | 0.345 INCHES NOMINAL IN |
| Nut End Shank Length | 0.100 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Thread Quantity Per Inch | 24 STUD THREAD |
| Distance Across Flats | 0.503 INCHES NOMINAL IN |
| Shoulder Length | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Thread Series Designator | UNF STUD THREAD |
| 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 |
NSN 5307-00-131-3376 is a Stud,shouldered, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-131-3376 has 3 manufacturer part numbers on file: 6865664-2 (Allison Transmission Inc Dba Allison Transmission, Inc), 6865664-2 (Rolls-Royce Airlines), BLT8035 (Rolls-Royce Airlines).
Key specifications for 6865664-2: Nut End Shank Diameter: 0.248 INCHES NOMINAL IN; Thread Length: 0.417 INCHES NOMINAL NUT THREAD IN; Thread Length: 0.338 INCHES NOMINAL STUD THREAD IN; Style Designator: SHOULDERED. 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.