The Stud,locked in, cataloged under National Stock Number 5307-01-169-2864, 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27 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-01-169-2864 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES NUT THD |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Cotter Pin Hole Diameter | 0.106 INCHES NOMINAL FIRST HOLE IN |
| Distance From Serrated Portion to Nut End | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Thread Length | 0.505 INCHES MINIMUM AND 0.535 INCHES MAXIMUM STUD THREAD IN |
| Thread Length | 0.605 INCHES MINIMUM AND 0.635 INCHES MAXIMUM NUT THREAD IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM |
| Style Designator | LOCKED IN |
| Thread Pitch Diameters | +0.3926 TO 0.3946 INCHES STUD THREAD IN |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE |
| Distance From Serrated Portion to End of Stud Thread | 0.200 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Serration Included Angle | 101.0 DEGREES MINIMUM AND 104.0 DEGREES MAXIMUM |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.375 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.438 INCHES STUD THREAD IN |
| Distance From Serrated Portion to Stud End | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN |
| Locking Feature | RING, LOCK SERRATED |
| Serration Quantity | 24 |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Thread Quantity Per Inch | 14 STUD THREAD |
| Material | STEEL COMP 4130 |
| Thread Series Designator | UNF NUT THREAD |
| Thread Series Designator | UNS STUD THREAD |
| Distance From Cotter Pin Hole Centerline to Nut End | 0.155 INCHES MINIMUM AND 0.185 INCHES MAXIMUM FIRST HOLE 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 |
|---|---|
| MS51989-107D10 | 2/2 Government specification standardization U.S. Government activity |
NSN 5307-01-169-2864 is a Stud,locked in, classified under FSC 5307, Studs. Status: active.
Key specifications for 5307-01-169-2864: Surface Finish: 32.0 MICROINCHES NUT THD; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Cotter Pin Hole Diameter: 0.106 INCHES NOMINAL FIRST HOLE IN; Distance From Serrated Portion to Nut End: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM 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.