The Stud,locked in, cataloged under National Stock Number 5307-01-491-3296, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-491-3296 |
| Primary Part Number | KLS10157-4-3 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Microdot Products |
| Status | ACTIVE |
| Criticality Code Justification | MATT |
| Style Designator | LOCKED IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.375 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Shoulder Diameter | 0.284 INCHES MINIMUM AND 0.294 INCHES MAXIMUM IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Distance From Shoulder Portion to Nut End | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 24 STUD THREAD |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Material | NICKEL ALLOY |
| Shoulder Length | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) NUT THREAD |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) STUD THREAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| KLS10157-4-3 PRIMARY | Howmet Global Fastening Systems Inc. Div Microdot Products (USA) |
| Reference | Meaning |
|---|---|
| J1206P03 | 3/1 Design control — primary reference General Electric Company |
NSN 5307-01-491-3296 is a Stud,locked in, manufactured by Howmet Global Fastening Systems Inc. Div Microdot Products, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-491-3296 has 1 manufacturer part number on file: KLS10157-4-3 (Howmet Global Fastening Systems Inc. Div Microdot Products).
Key specifications for KLS10157-4-3: Criticality Code Justification: MATT; Style Designator: LOCKED IN; Overall Length: 1.163 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND STUD THREAD. 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.