The Stud,self-Locking, cataloged under National Stock Number 5307-01-663-8328, 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 13 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 | 5307-01-663-8328 |
| Primary Part Number | FH-032-6ZI |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Thread Length | 0.275 INCHES NOMINAL STUD THREAD IN |
| Hardness Rating | 80.0 ROCKWELL B MAXIMUM |
| Style Designator | FLUSH HEAD |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Nominal Thread Size | 0.190 INCHES STUD THREAD IN |
| Head Length | 0.040 INCHES NOMINAL IN |
| Locking Feature | GRIPPING PRONGS |
| Surface Treatment | ZINC OVERALL |
| Thread Class | 2A STUD THREAD A |
| Thread Quantity Per Inch | 32 STUD THREAD |
| Material | STEEL |
| Thread Series Designator | UNF STUD THREAD |
| Head Diameter | 0.256 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 |
|---|---|
| FH-032-6ZI PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
NSN 5307-01-663-8328 is a Stud,self-Locking, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-663-8328 has 1 manufacturer part number on file: FH-032-6ZI (Penn Engineering & Manufacturing Corp).
Key specifications for FH-032-6ZI: Thread Length: 0.275 INCHES NOMINAL STUD THREAD IN; Hardness Rating: 80.0 ROCKWELL B MAXIMUM; Style Designator: FLUSH HEAD; Overall Length: 0.375 INCHES NOMINAL IN. 13 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.