The Stud,self-Locking, cataloged under National Stock Number 5307-01-323-8115, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5307-01-323-8115 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Thread Length | 0.625 INCHES NOMINAL NUT THREAD IN |
| Style Designator | SELF-LOCKING |
| Material Document and Classification | ASTM A582 ASSN STD ALL MATERIAL RESPONSES |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.190 INCHES NUT THREAD IN |
| Head Length | 0.114 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN |
| Locking Feature | SELF-CLINCHING HEAD |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 32 NUT 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 | UNF LOCATION NOT OTHERWISE SPECIFIED |
| 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-63540/3-28-10 | 5/9 Secondary reference U.S. Government activity |
| M63540/3-28-10 | 2/2 Government specification standardization U.S. Government activity |
| NASM63540/3-28-10 | 4/1 Identification reference U.S. Government activity |
NSN 5307-01-323-8115 is a Stud,self-Locking, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-323-8115: Thread Length: 0.625 INCHES NOMINAL NUT THREAD IN; Style Designator: SELF-LOCKING; Material Document and Classification: ASTM A582 ASSN STD ALL MATERIAL RESPONSES; Overall Length: 0.625 INCHES NOMINAL IN. 14 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.