The Stud,self-Locking, cataloged under National Stock Number 5307-01-394-2424, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-394-2424 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Thread Length | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| Style Designator | SELF-LOCKING |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Head Length | 0.075 INCHES NOMINAL IN |
| Head Minor Diameter | 0.343 INCHES NOMINAL IN |
| Locking Feature | SELF-CLINCHING HEAD |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 20 NUT THREAD |
| Material | STEEL CORROSION RESISTING |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| Head Diameter | 0.385 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 |
| Reference | Meaning |
|---|---|
| MIL-S-63540/4 | 4/1 Identification reference U.S. Government activity |
| M63540/4-29 | 3/2 Design control — primary reference U.S. Government activity |
| M63540/4-29 | 5/9 Secondary reference U.S. Government activity |
NSN 5307-01-394-2424 is a Stud,self-Locking, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-394-2424: Thread Length: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN; Style Designator: SELF-LOCKING; Overall Length: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND NUT THREAD. 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.