The Stud,stepped, cataloged under National Stock Number 5307-00-012-0053, 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 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-012-0053 |
| Primary Part Number | 298099 |
| Item Name | Stud,stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Shank Diameter | 0.193 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Cotter Pin Hole Diameter | 0.047 INCHES NOMINAL FIRST HOLE IN |
| Thread Length | 0.500 INCHES NOMINAL NUT THREAD IN |
| Thread Length | 0.500 INCHES NOMINAL STUD THREAD IN |
| Style Designator | STEPPED |
| Thread Pitch Diameters | +0.2683 TO 0.2737 INCHES STUD THREAD IN |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 20 NUT THREAD |
| Material | STEEL COMP 4130 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| Distance From Cotter Pin Hole Centerline to Nut End | 0.110 INCHES NOMINAL FIRST HOLE IN |
| 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 |
|---|---|
| 298099 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 5307-00-012-0053 is a Stud,stepped, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-012-0053 has 1 manufacturer part number on file: 298099 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for 298099: Shank Diameter: 0.193 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN; Cotter Pin Hole Diameter: 0.047 INCHES NOMINAL FIRST HOLE IN; Thread Length: 0.500 INCHES NOMINAL NUT THREAD IN; Thread Length: 0.500 INCHES NOMINAL STUD THREAD IN. 15 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.