The Stud,stepped, cataloged under National Stock Number 5307-00-151-9038, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-00-151-9038 |
| Item Name | Stud,stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Shank Diameter | 0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN |
| Surface Finish | 63.0 MICROINCHES SHANK |
| Surface Treatment Document and Classification | QQ-P -416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM STUD THREAD IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| Style Designator | STEPPED |
| Thread Pitch Diameters | +0.2840 TO 0.2855 INCHES STUD THREAD IN |
| 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 AND CHROMATE OVERALL |
| Thread Class | 3A NUT THREAD A |
| Test Data Document | 99167-PN16 04 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 | 18 STUD THREAD |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Material | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP E4340 |
| Thread Series Designator | UNF NUT THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
| Reference | Meaning |
|---|---|
| 697094-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-00-151-9038 is a Stud,stepped, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-00-151-9038: Shank Diameter: 0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM IN; Surface Finish: 63.0 MICROINCHES SHANK; Surface Treatment Document and Classification: QQ-P -416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM STUD THREAD IN. 19 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.