The Stud,shouldered, cataloged under National Stock Number 5307-01-240-7226, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-240-7226 |
| Item Name | Stud,shouldered |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 2419 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.560 INCHES MINIMUM AND 1.800 INCHES MAXIMUM STUD THREAD IN |
| Thread Length | 2.180 INCHES MINIMUM AND 2.500 INCHES MAXIMUM NUT THREAD IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.312 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.312 INCHES STUD THREAD IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Thread Quantity Per Inch | 24 STUD THREAD |
| Material | STEEL COMP 4340 |
| Distance Across Flats | 0.625 INCHES NOMINAL IN |
| Shoulder Length | 0.270 INCHES NOMINAL IN |
| Thread Series Designator | UNJEF NUT THREAD |
| Thread Series Designator | UNJEF STUD THREAD |
| 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 |
|---|---|
| 5690310 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-240-7226 is a Stud,shouldered, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-240-7226: Surface Treatment Document and Classification: AMS 2419 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 1.560 INCHES MINIMUM AND 1.800 INCHES MAXIMUM STUD THREAD IN; Thread Length: 2.180 INCHES MINIMUM AND 2.500 INCHES MAXIMUM NUT THREAD IN; Style Designator: SHOULDERED. 19 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.