The Stud,plain, cataloged under National Stock Number 5307-01-407-3965, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Cooper Valve Co Div of Texstream. Government technical data includes 6 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 | 5307-01-407-3965 |
| Primary Part Number | PA1538 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Cooper Valve Co Div of Texstream |
| Status | ACTIVE |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.250 INCHES NUT THREAD A IN |
| Thread Quantity Per Inch | 28 NUT THREAD A |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Material | NICKEL ALLOY K-500 |
| Thread Series Designator | UNF LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| PA1538 PRIMARY | Cooper Valve Co Div of Texstream (USA) |
NSN 5307-01-407-3965 is a Stud,plain, manufactured by Cooper Valve Co Div of Texstream, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-407-3965 has 1 manufacturer part number on file: PA1538 (Cooper Valve Co Div of Texstream).
Key specifications for PA1538: Overall Length: 4.000 INCHES NOMINAL IN; Nominal Thread Size: 0.250 INCHES NUT THREAD IN; Nominal Thread Size: 0.250 INCHES NUT THREAD A IN; Thread Quantity Per Inch: 28 NUT THREAD A. 6 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.