The Stud,locked in, cataloged under National Stock Number 5307-01-615-5302, 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 Microdot Products. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-615-5302 |
| Primary Part Number | KNS51514-4 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Microdot Products |
| Status | ACTIVE |
| Thread Length | 0.550 INCHES NOMINAL NUT THREAD IN |
| Style Designator | LOCKED IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Distance From End of Stud End Threads to Nut End | 0.730 INCHES NOMINAL IN |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.3125 INCHES STUD THREAD IN |
| Locking Feature | RING, LOCK KEYED |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 24 STUD THREAD |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Material | NICKEL ALLOY 718 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) STUD THREAD |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
| Part Number | Manufacturer |
|---|---|
| KNS51514-4 PRIMARY | Howmet Global Fastening Systems Inc. Div Microdot Products (USA) |
| APP J11.297-2011 PRIMARY | Henan Aerospace Precision Machiningcompany Limited (CHN) |
| Reference | Meaning |
|---|---|
| STS5085-428-12 | 3/2 Design control — primary reference U.S. Government activity |
| 4041T38P04 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5307-01-615-5302 is a Stud,locked in, manufactured by Howmet Global Fastening Systems Inc. Div Microdot Products, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-615-5302 has 2 manufacturer part numbers on file: KNS51514-4 (Howmet Global Fastening Systems Inc. Div Microdot Products), APP J11.297-2011 (Henan Aerospace Precision Machiningcompany Limited).
Key specifications for KNS51514-4: Thread Length: 0.550 INCHES NOMINAL NUT THREAD IN; Style Designator: LOCKED IN; Overall Length: 1.355 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND STUD THREAD. 15 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.