The Stud,self-Locking, cataloged under National Stock Number 5307-01-266-8669, 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15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5307-01-266-8669 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-F-14072 PER E-300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.750 INCHES NOMINAL NUT THREAD IN |
| Style Designator | SELF-LOCKING |
| Material Document and Classification | AISI TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.086 INCHES NUT THREAD IN |
| Head Length | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Locking Feature | SELF-CLINCHING HEAD |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 56 NUT THREAD |
| Material | STEEL COMP 303 |
| Distance Across Flats | 0.188 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| Head Diameter | 0.155 INCHES MINIMUM AND 0.159 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 |
| Reference | Meaning |
|---|---|
| NCS-2-3-24 | 3/9 Design control — primary reference Dar Electronics Inc Commercial Products Div Dba National Radio Co |
| 32S(.093)ST24 | 5/9 Secondary reference U.S. Government activity |
| 132544A018 | 7/2 Vendor item drawing reference L3harris Technologies, Inc. |
NSN 5307-01-266-8669 is a Stud,self-Locking, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-266-8669: Surface Treatment Document and Classification: MIL-F-14072 PER E-300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.750 INCHES NOMINAL NUT THREAD IN; Style Designator: SELF-LOCKING; Material Document and Classification: AISI TYPE 303 ASSN STD SINGLE 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.