The Stud,stepped, cataloged under National Stock Number 5307-00-579-5212, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. 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 | 5307-00-579-5212 |
| Primary Part Number | 126H234 |
| Item Name | Stud,stepped |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| Status | ACTIVE |
| Shank Diameter | 0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN |
| Thread Length | 0.750 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.620 INCHES MINIMUM NUT THREAD IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Style Designator | STEPPED |
| Thread Pitch Diameters | +0.3053 TO 0.3125 INCHES NUT THREAD IN |
| Thread Pitch Diameters | +0.3700 TO 0.3750 INCHES STUD THREAD IN |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.312 INCHES NUT THREAD IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Material | STEEL COMP 8740 |
| 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 |
|---|---|
| 126H234 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
NSN 5307-00-579-5212 is a Stud,stepped, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-579-5212 has 1 manufacturer part number on file: 126H234 (Curtiss-Wright Controls, Inc. Div Actuation Division).
Key specifications for 126H234: Shank Diameter: 0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN; Thread Length: 0.750 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.620 INCHES MINIMUM NUT THREAD IN; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM. 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.