The Stud,shouldered, cataloged under National Stock Number 5307-00-182-5879, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-182-5879 |
| Item Name | Stud,shouldered |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES OVERALL |
| Nut End Shank Diameter | 0.426 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN |
| Thread Length | 0.770 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 0.770 INCHES NOMINAL STUD THREAD IN |
| Hardness Rating | 43.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM |
| Style Designator | SHOULDERED |
| Material Document and Classification | MIL-S-5000 MIL SPEC ALL MATERIAL RESPONSES |
| Thread Direction | LEFT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.500 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.500 INCHES STUD THREAD IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut End Shank Length | 0.160 INCHES NOMINAL IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Test Data Document | 81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Thread Quantity Per Inch | 20 NUT THREAD |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Material | STEEL COMP E4340 OR STEEL COMP 4340 |
| Distance Across Flats | 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Shoulder Length | 0.380 INCHES NOMINAL 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 |
| Reference | Meaning |
|---|---|
| 215-24834-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-00-182-5879 is a Stud,shouldered, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-00-182-5879: Surface Finish: 125.0 MICROINCHES OVERALL; Nut End Shank Diameter: 0.426 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN; Thread Length: 0.770 INCHES NOMINAL NUT THREAD IN; Thread Length: 0.770 INCHES NOMINAL STUD THREAD IN. 23 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.