The Stud,plain, cataloged under National Stock Number 5307-00-809-8180, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines. 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 | 5307-00-809-8180 |
| Primary Part Number | 302805-12 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines |
| Status | ACTIVE |
| Thread Length | 0.500 INCHES MINIMUM STUD THREAD IN |
| Thread Length | 0.380 INCHES MINIMUM NUT THREAD IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| Thread Pitch Diameters | +0.2337 TO 0.2353 INCHES STUD THREAD IN |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.250 INCHES STUD THREAD IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Material | STEEL COMP 4140 |
| 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 |
|---|---|
| 302805-12 PRIMARY | Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines (USA) |
NSN 5307-00-809-8180 is a Stud,plain, manufactured by Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-809-8180 has 1 manufacturer part number on file: 302805-12 (Teledyne Brown Engineering, Inc. Dba Teledyne Turbine Engines Div Teledyne Turbine Engines).
Key specifications for 302805-12: Thread Length: 0.500 INCHES MINIMUM STUD THREAD IN; Thread Length: 0.380 INCHES MINIMUM NUT THREAD IN; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM; Thread Pitch Diameters: +0.2337 TO 0.2353 INCHES 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.