The Stud,self-Locking, cataloged under National Stock Number 5307-01-729-0407, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Penn Engineering & Manufacturing Corp. Government technical data includes 7 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 | 5307-01-729-0407 |
| Primary Part Number | FH4-832-8 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Style Designator | SELF-LOCKING |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Nominal Thread Size | 0.164 INCHES STUD THREAD IN |
| Locking Feature | HEAD SERRATIONS |
| Thread Quantity Per Inch | 32 STUD THREAD |
| Material | STEEL CORROSION RESISTING |
| Head Diameter | 0.237 INCHES NOMINAL 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 |
|---|---|
| FH4-832-8 PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
NSN 5307-01-729-0407 is a Stud,self-Locking, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-729-0407 has 1 manufacturer part number on file: FH4-832-8 (Penn Engineering & Manufacturing Corp).
Key specifications for FH4-832-8: Style Designator: SELF-LOCKING; Overall Length: 0.5 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND STUD THREAD; Nominal Thread Size: 0.164 INCHES STUD THREAD IN. 7 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.