The Stud,self-Locking, cataloged under National Stock Number 5307-01-369-6239, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5307-01-369-6239 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.491 INCHES MINIMUM AND 0.495 INCHES MAXIMUM STUD THREAD IN |
| Style Designator | SELF-LOCKING |
| Material Document and Classification | ASTM A 493 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A 582 ASSN STD 2ND MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Nominal Thread Size | 0.164 INCHES STUD THREAD IN |
| Head Length | 0.082 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN |
| Locking Feature | SELF-CLINCHING HEAD |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A STUD THREAD A |
| Thread Quantity Per Inch | 32 STUD THREAD |
| Material | STEEL COMP 303 OR STEEL COMP 303SE |
| Distance Across Flats | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Head Diameter | 0.261 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-63540/3 | 4/1 Identification reference U.S. Government activity |
| M63540/3-21-10 | 5/9 Secondary reference U.S. Government activity |
| M63540/3-21-10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-369-6239 is a Stud,self-Locking, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-369-6239: Surface Treatment Document and Classification: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.491 INCHES MINIMUM AND 0.495 INCHES MAXIMUM STUD THREAD IN; Style Designator: SELF-LOCKING; Material Document and Classification: ASTM A 493 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A 582 ASSN STD 2ND MATERIAL RESPONSE. 15 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.