The Stud,stepped, cataloged under National Stock Number 5307-01-242-0843, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. 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 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 | 5307-01-242-0843 |
| Primary Part Number | 165686 |
| Item Name | Stud,stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Shank Diameter | 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Thread Length | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM NUT THREAD IN |
| Thread Length | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM STUD THREAD IN |
| Style Designator | STEPPED |
| Thread Pitch Diameters | +0.2103 TO 0.2150 INCHES STUD THREAD IN |
| Material Document and Classification | ASTM A304 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE |
| 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 |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 32 NUT THREAD |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Material | STEEL COMP 4130 |
| Thread Series Designator | UNF NUT THREAD |
| Thread Series Designator | UNS 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 |
|---|---|
| 165686 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 5307-01-242-0843 is a Stud,stepped, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-242-0843 has 1 manufacturer part number on file: 165686 (Eaton Aerospace, Llc Dba Jackson South).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-451-8689. Verify interchangeability with system specifications before substitution.
Key specifications for 165686: Shank Diameter: 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN; Thread Length: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM NUT THREAD IN; Thread Length: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM STUD 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.