The Stud,shouldered and Stepped, cataloged under National Stock Number 5307-00-202-2240, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-202-2240 |
| Item Name | Stud,shouldered and Stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Nut End Shank Diameter | 0.138 INCHES NOMINAL IN |
| Thread Length | 0.750 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.278 INCHES NOMINAL NUT THREAD IN |
| Style Designator | SHOULDERED AND STEPPED |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.164 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.638 INCHES NUT THREAD IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Nut End Shank Length | 0.050 INCHES NOMINAL IN |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 32 STUD THREAD |
| Thread Quantity Per Inch | 40 NUT THREAD |
| Material | STEEL COMP B1113 |
| Distance Across Flats | 0.375 INCHES NOMINAL IN |
| Shoulder Length | 1.078 INCHES NOMINAL IN |
| 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 |
|---|---|
| 71290 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5307-00-202-2240 is a Stud,shouldered and Stepped, classified under FSC 5307, Studs. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5820-01-052-4029, 6150-01-072-1020. Verify interchangeability with system specifications before substitution.
Key specifications for 5307-00-202-2240: Nut End Shank Diameter: 0.138 INCHES NOMINAL IN; Thread Length: 0.750 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.278 INCHES NOMINAL NUT THREAD IN; Style Designator: SHOULDERED AND STEPPED. 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.