The Stud,stepped, cataloged under National Stock Number 5307-00-754-4280, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Telemechanics Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-754-4280 |
| Primary Part Number | 158200 |
| Item Name | Stud,stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Shank Diameter | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.530 INCHES MINIMUM STUD THREAD IN |
| Thread Length | 0.249 INCHES MINIMUM NUT THREAD IN |
| Style Designator | STEPPED |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.250 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.190 INCHES NUT THREAD IN |
| Surface Treatment | NICKEL OVERALL |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 32 NUT THREAD |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Material | STEEL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 158200 PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 158200 | 5/9 Secondary reference At and T Corp |
| 158200 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5307-00-754-4280 is a Stud,stepped, manufactured by Telemechanics Inc, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-754-4280 has 1 manufacturer part number on file: 158200 (Telemechanics Inc).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-614-7466. Verify interchangeability with system specifications before substitution.
Key specifications for 158200: Shank Diameter: 0.250 INCHES NOMINAL IN; Thread Length: 0.530 INCHES MINIMUM STUD THREAD IN; Thread Length: 0.249 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.