The Stud,plain, cataloged under National Stock Number 5307-01-503-0859, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 12 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 | 5307-01-503-0859 |
| Primary Part Number | 131566 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.500 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.500 INCHES STUD THREAD IN |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 13 STUD THREAD |
| Thread Quantity Per Inch | 13 NUT THREAD |
| Material | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
|---|---|
| 131566 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
NSN 5307-01-503-0859 is a Stud,plain, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-503-0859 has 1 manufacturer part number on file: 131566 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 131566: Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 4.000 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND STUD THREAD; Thread Direction: RIGHT-HAND NUT THREAD. 12 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.