The Stud,self-Locking, cataloged under National Stock Number 5307-01-673-9161, 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 | 5307-01-673-9161 |
| Primary Part Number | KFH-632-12ET |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Head Height | 0.020 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | ASTM B545, CLASS B ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.695 INCHES NOMINAL STUD THREAD IN |
| Hardness Rating | 55.0 ROCKWELL B MAXIMUM |
| Style Designator | SELF-LOCKING |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Nominal Thread Size | 0.138 INCHES STUD THREAD IN |
| Head Length | 0.110 INCHES NOMINAL IN |
| Locking Feature | SELF-CLINCHING HEAD |
| Surface Treatment | TIN OVERALL |
| Thread Quantity Per Inch | 32 STUD THREAD |
| Thread Series Designator | UNF STUD THREAD |
| Head Diameter | 0.200 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 |
|---|---|
| KFH-632-12ET PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
NSN 5307-01-673-9161 is a Stud,self-Locking, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-673-9161 has 1 manufacturer part number on file: KFH-632-12ET (Penn Engineering & Manufacturing Corp).
Key specifications for KFH-632-12ET: Head Height: 0.020 INCHES NOMINAL IN; Surface Treatment Document and Classification: ASTM B545, CLASS B ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.695 INCHES NOMINAL STUD THREAD IN; Hardness Rating: 55.0 ROCKWELL B MAXIMUM. 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.