The Stud,plain, cataloged under National Stock Number 5307-00-260-2901, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-260-2901 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Thread Length | 0.500 INCHES MINIMUM STUD THREAD IN |
| Thread Length | 1.750 INCHES MAXIMUM NUT THREAD IN |
| Hardness Rating | 100.0 ROCKWELL B NOMINAL |
| 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 |
| Departure From Cited Designator | AS MODIFIED BY NUT END THREAD LENGTH AND MODIFIED BY STUD END THREAD LENGTH |
| Nondefinitive Spec/std Data | 1 TYPE AND B STYLE AND 2 GRADE |
| Thread Class | 2A NUT THREAD A |
| Thread Class | 5A STUD THREAD A |
| Thread Quantity Per Inch | 18 NUT THREAD |
| Thread Quantity Per Inch | 18 STUD THREAD |
| Material | STEEL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) NUT 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 |
|---|---|
| MIL-DTL-1222 TY I ST B GR 2 | 5/9 Secondary reference U.S. Government activity |
| M1222ST1N5CB52GCNN | 2/2 Government specification standardization U.S. Government activity |
| M1222ST1N5CB52GCN | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-1222J TYPE 1 STY B GR 2 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-1222 | 4/1 Identification reference U.S. Government activity |
| BA733PC18 | 5/9 Secondary reference U.S. Government activity |
| H146C21 | 5/9 Secondary reference U.S. Government activity |
| BA732PC18 | 5/9 Secondary reference U.S. Government activity |
NSN 5307-00-260-2901 is a Stud,plain, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-00-260-2901: Thread Length: 0.500 INCHES MINIMUM STUD THREAD IN; Thread Length: 1.750 INCHES MAXIMUM NUT THREAD IN; Hardness Rating: 100.0 ROCKWELL B NOMINAL; Overall Length: 3.250 INCHES NOMINAL IN. 16 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.