The Stud,recessed and Stepped, cataloged under National Stock Number 5307-00-902-5228, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-902-5228 |
| Primary Part Number | 6842312P009 |
| Item Name | Stud,recessed and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Thread Length | 0.562 INCHES MINIMUM NUT THREAD IN |
| Thread Length | 0.750 INCHES MINIMUM STUD THREAD IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Style Designator | RECESSED AND STEPPED |
| Thread Pitch Diameters | +0.3482 TO 0.3497 INCHES STUD THREAD IN |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE |
| Diameter of Recessed Portion of Shank | 0.279 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.375 INCHES STUD THREAD IN |
| Length of Recessed Portion of Shank | 2.750 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 16 STUD THREAD |
| Material | STEEL COMP 8740 |
| Thread Series Designator | UNS NUT THREAD |
| Thread Series Designator | UNS STUD THREAD |
| Plain Shank Diameter | 0.289 INCHES NOMINAL 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 |
|---|---|
| 6842312P009 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| 6842312P009 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6842312P009 | 5/9 Secondary reference General Motors Corp |
NSN 5307-00-902-5228 is a Stud,recessed and Stepped, manufactured by Rolls-Royce Corporation, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-902-5228 has 2 manufacturer part numbers on file: 6842312P009 (Allison Transmission Inc Dba Allison Transmission, Inc), 6842312P009 (Rolls-Royce Corporation).
Key specifications for 6842312P009: Thread Length: 0.562 INCHES MINIMUM NUT THREAD IN; Thread Length: 0.750 INCHES MINIMUM STUD THREAD IN; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM; Style Designator: RECESSED AND STEPPED. 18 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.