The Stud,self-Locking, cataloged under National Stock Number 5307-01-331-8698, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-331-8698 |
| Primary Part Number | KFH-832-8ET |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-T-10727,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.410 INCHES NOMINAL NUT THREAD IN |
| Material Document and Classification | ASTM B159 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.164 INCHES NUT THREAD IN |
| Head Length | 0.090 INCHES MAXIMUM IN |
| Locking Feature | SELF-CLINCHING HEAD |
| Surface Treatment | TIN OVERALL |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 32 NUT THREAD |
| Material | COPPER ALLOY 510 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| Head Diameter | 0.234 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 |
|---|---|
| CKFH-832-8 | Captive Fasteners Corp (USA) |
| KFH-832-8ET PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| KFH-832-8 | 5/9 Secondary reference Penn Engineering & Manufacturing Corp |
| 4039570-83 | 7/2 Vendor item drawing reference Honeywell International Inc. Dba Honeywell International |
NSN 5307-01-331-8698 is a Stud,self-Locking, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-331-8698 has 2 manufacturer part numbers on file: CKFH-832-8 (Captive Fasteners Corp), KFH-832-8ET (Penn Engineering & Manufacturing Corp).
Key specifications for KFH-832-8ET: Surface Treatment Document and Classification: MIL-T-10727,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.410 INCHES NOMINAL NUT THREAD IN; Material Document and Classification: ASTM B159 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM 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.