The Stud,shouldered, cataloged under National Stock Number 5307-00-076-5684, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 22 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-076-5684 |
| Primary Part Number | S6135-20863-002 |
| Item Name | Stud,shouldered |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-8837,TY 1 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Nut End Shank Diameter | 0.247 INCHES NOMINAL IN |
| Thread Length | 0.369 INCHES MINIMUM AND 0.440 INCHES MAXIMUM STUD THREAD IN |
| Thread Length | 0.491 INCHES MINIMUM AND 0.563 INCHES MAXIMUM NUT THREAD IN |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | MIL-S-5000 COND C MIL SPEC 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 | 0.250 INCHES STUD THREAD IN |
| Shoulder Diameter | 0.686 INCHES NOMINAL IN |
| Stud End Shank Diameter | 0.283 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut End Shank Length | 0.140 INCHES NOMINAL IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 28 STUD THREAD |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Material | STEEL COMP E4340 |
| Shoulder Length | 0.218 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN |
| Thread Series Designator | UNF STUD THREAD |
| Thread Series Designator | UNF 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 |
| Part Number | Manufacturer |
|---|---|
| S6135-20863-002 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| S6135-20863-002 | 5/9 Secondary reference Macor Inc |
| S6135-20863-2 | 5/9 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| S6135-20863-002 | 5/9 Secondary reference U.S. Government activity |
NSN 5307-00-076-5684 is a Stud,shouldered, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-076-5684 has 1 manufacturer part number on file: S6135-20863-002 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for S6135-20863-002: Surface Treatment Document and Classification: MIL-C-8837,TY 1 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Nut End Shank Diameter: 0.247 INCHES NOMINAL IN; Thread Length: 0.369 INCHES MINIMUM AND 0.440 INCHES MAXIMUM STUD THREAD IN; Thread Length: 0.491 INCHES MINIMUM AND 0.563 INCHES MAXIMUM NUT THREAD IN. 22 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.