The Stud,locked in, cataloged under National Stock Number 5307-01-167-6376, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-167-6376 |
| Primary Part Number | KNS9000-616-10 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES STUD THD |
| Surface Finish | 32.0 MICROINCHES NUT THD |
| Surface Treatment Document and Classification | QQ-P-416,TY2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM STUD THREAD IN |
| Thread Length | 0.625 INCHES NOMINAL NUT THREAD IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Style Designator | LOCKED IN |
| Material Document and Classification | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Distance From End of Stud End Threads to Nut End | 0.595 INCHES MINIMUM AND 0.655 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.375 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.500 INCHES STUD THREAD IN |
| Locking Feature | KEY INSERTS |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 13 STUD THREAD |
| Thread Quantity Per Inch | 16 NUT THREAD |
| Material | STEEL COMP 4140 |
| Thread Series Designator | UNJC NUT THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
| Part Number | Manufacturer |
|---|---|
| KNS9000-616-10 | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| MS51833-104-10 | 5/9 Secondary reference U.S. Government activity |
| KNS9000-616-10 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Microdot Products |
| MS51833-104-10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-167-6376 is a Stud,locked in, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-167-6376 has 1 manufacturer part number on file: KNS9000-616-10 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for KNS9000-616-10: Surface Finish: 63.0 MICROINCHES STUD THD; Surface Finish: 32.0 MICROINCHES NUT THD; Surface Treatment Document and Classification: QQ-P-416,TY2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM STUD THREAD IN. 22 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.