The Stud,locked in, cataloged under National Stock Number 5307-00-135-5568, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-00-135-5568 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Serrated Portion to Nut End | 0.862 INCHES NOMINAL IN |
| Thread Length | 0.555 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.812 INCHES NOMINAL NUT THREAD A IN |
| Thread Length | 0.862 INCHES NOMINAL NUT THREAD B IN |
| Style Designator | LOCKED IN |
| Material Document and Classification | AMS6322 ASSN STD SINGLE MATERIAL RESPONSE |
| Distance From Serrated Portion to End of Stud Thread | 1.135 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD A |
| Thread Direction | RIGHT-HAND NUT THREAD B |
| Nominal Thread Size | 0.375 INCHES NUT THREAD A IN |
| Nominal Thread Size | 0.375 INCHES NUT THREAD B IN |
| Nominal Thread Size | 0.438 INCHES STUD THREAD IN |
| Shoulder Diameter | 0.368 INCHES NOMINAL IN |
| Distance From Serrated Portion to Stud End | 1.690 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A NUT THREAD B A |
| Thread Class | 3A NUT THREAD A A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 16 NUT THREAD B |
| Thread Quantity Per Inch | 24 NUT THREAD A |
| Thread Quantity Per Inch | 20 STUD THREAD |
| Material | STEEL |
| Thread Series Designator | UNF STUD THREAD |
| Thread Series Designator | UNF NUT THREAD A |
| Thread Series Designator | UNS NUT THREAD B |
| 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 |
|---|---|
| 701722-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-00-135-5568 is a Stud,locked in, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-00-135-5568: Surface Treatment Document and Classification: AMS2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Distance From Serrated Portion to Nut End: 0.862 INCHES NOMINAL IN; Thread Length: 0.555 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.812 INCHES NOMINAL NUT THREAD A IN. 27 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.