The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-01-051-6682, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-051-6682 |
| Primary Part Number | 6887099-1 |
| Item Name | Stud,shouldered and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.438 INCHES MINIMUM NUT THREAD IN |
| Thread Length | 0.475 INCHES NOMINAL STUD THREAD IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Thread Pitch Diameters | +0.2218 TO 0.2233 INCHES STUD THREAD IN |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Shoulder Diameter | 0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut End Shank Length | 0.062 INCHES NOMINAL IN |
| Thread Class | 3A NUT THREAD A |
| Material | STEEL COMP 8740 |
| Shoulder Length | 0.098 INCHES MINIMUM AND 0.102 INCHES MAXIMUM 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 |
|---|---|
| 6887099-1 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6887099-1 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 5307-01-051-6682 is a Stud,shouldered and Stepped, manufactured by Rolls-Royce Corporation, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-051-6682 has 1 manufacturer part number on file: 6887099-1 (Rolls-Royce Corporation).
Key specifications for 6887099-1: Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.438 INCHES MINIMUM NUT THREAD IN; Thread Length: 0.475 INCHES NOMINAL STUD THREAD IN; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM. 14 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.