The Stud,self-Locking, cataloged under National Stock Number 5307-01-348-8960, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-348-8960 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Nominal Thread Size | 0.164 INCHES STUD THREAD IN |
| Specification/standard Data | 81349-MIL-S-63540/4 GOVERNMENT SPECIFICATION |
| Head Length | 0.075 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.289 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A STUD THREAD A |
| Test Data Document | 81349-MIL-S-63540 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Thread Quantity Per Inch | 32 STUD THREAD |
| Material | STEEL CORROSION RESISTING |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Head Diameter | 0.328 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 |
|---|---|
| M63540/4-14 | 2/2 Government specification standardization U.S. Government activity |
| MIL-S-63540/4 | 4/1 Identification reference U.S. Government activity |
NSN 5307-01-348-8960 is a Stud,self-Locking, classified under FSC 5307, Studs. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5307-01-348-8961, 5307-01-394-0433, 5307-01-394-2399. Verify interchangeability with system specifications before substitution.
Key specifications for 5307-01-348-8960: Overall Length: 0.500 INCHES NOMINAL IN; Nominal Thread Size: 0.164 INCHES STUD THREAD IN; Specification/standard Data: 81349-MIL-S-63540/4 GOVERNMENT SPECIFICATION; Head Length: 0.075 INCHES MAXIMUM IN. 11 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.