The Stud,stepped, cataloged under National Stock Number 5307-00-032-5658, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Textron Systems Corporation Dba Textron Systems Corp. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-00-032-5658 |
| Primary Part Number | 47-140-021-1 |
| Item Name | Stud,stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Textron Systems Corporation Dba Textron Systems Corp |
| Status | ACTIVE |
| Shank Diameter | 0.187 INCHES NOMINAL IN |
| Thread Length | 0.625 INCHES MINIMUM STUD THREAD IN |
| Thread Length | 0.562 INCHES MINIMUM NUT THREAD IN |
| Style Designator | STEPPED |
| Thread Pitch Diameters | +0.1678 TO 0.1697 INCHES NUT THREAD IN |
| Material Document and Classification | MIL-S-5626,COND D4 MIL SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.375 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.190 INCHES NUT THREAD IN |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 32 NUT THREAD |
| Thread Quantity Per Inch | 24 STUD THREAD |
| Material | STEEL COMP 4140 |
| Thread Series Designator | UNF STUD THREAD |
| Thread Series Designator | UNS 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 |
|---|---|
| 47-140-021-1 PRIMARY | Textron Systems Corporation Dba Textron Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 47-140-021-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5307-00-032-5658 is a Stud,stepped, manufactured by Textron Systems Corporation Dba Textron Systems Corp, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-032-5658 has 1 manufacturer part number on file: 47-140-021-1 (Textron Systems Corporation Dba Textron Systems Corp).
Key specifications for 47-140-021-1: Shank Diameter: 0.187 INCHES NOMINAL IN; Thread Length: 0.625 INCHES MINIMUM STUD THREAD IN; Thread Length: 0.562 INCHES MINIMUM NUT THREAD IN; Style Designator: STEPPED. 16 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.