The Stud,stepped, cataloged under National Stock Number 5307-01-324-4276, 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 20 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 | 5307-01-324-4276 |
| Primary Part Number | 6841731-046 |
| Item Name | Stud,stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN |
| Surface Finish | 32.0 MICROINCHES NUT THD |
| Surface Finish | 32.0 MICROINCHES STUD THD |
| Surface Finish | 32.0 MICROINCHES SHANK |
| Surface Treatment Document and Classification | AMS2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.625 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.562 INCHES MINIMUM AND 0.633 INCHES MAXIMUM NUT THREAD IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Style Designator | STEPPED |
| Thread Pitch Diameters | +0.2810 TO 0.2825 INCHES STUD THREAD IN |
| Material Document and Classification | AMS6322 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 |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A NUT THREAD A |
| Material | STEEL COMP 8740 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD |
| Thread Series Designator | UNJS 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 |
|---|---|
| 6841731-046 PRIMARY | Rolls-Royce Corporation (USA) |
NSN 5307-01-324-4276 is a Stud,stepped, manufactured by Rolls-Royce Corporation, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-324-4276 has 1 manufacturer part number on file: 6841731-046 (Rolls-Royce Corporation).
Key specifications for 6841731-046: Shank Diameter: 0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN; Surface Finish: 32.0 MICROINCHES NUT THD; Surface Finish: 32.0 MICROINCHES STUD THD; Surface Finish: 32.0 MICROINCHES SHANK. 20 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.