The Stud,self-Locking, cataloged under National Stock Number 5307-01-384-6839, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-384-6839 |
| Primary Part Number | CFHC-632-6 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc |
| Status | ACTIVE |
| Thread Length | 0.313 INCHES MAXIMUM STUD THREAD IN |
| Style Designator | SELF-LOCKING |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Nominal Thread Size | 0.138 INCHES STUD THREAD IN |
| Head Length | 0.075 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.212 INCHES MAXIMUM IN |
| Locking Feature | HEAD SERRATIONS |
| Thread Class | 2A STUD THREAD A |
| Thread Quantity Per Inch | 32 STUD THREAD |
| Material | STEEL CORROSION RESISTING |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Head Diameter | 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM 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 |
|---|---|
| CFHC-632-6 PRIMARY | Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc (USA) |
| Reference | Meaning |
|---|---|
| CFHC-632-6 | 3/9 Design control — primary reference Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp |
NSN 5307-01-384-6839 is a Stud,self-Locking, manufactured by Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-384-6839 has 1 manufacturer part number on file: CFHC-632-6 (Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc).
Key specifications for CFHC-632-6: Thread Length: 0.313 INCHES MAXIMUM STUD THREAD IN; Style Designator: SELF-LOCKING; Overall Length: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND STUD THREAD. 12 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.