The Stud,plain, cataloged under National Stock Number 5307-01-265-1249, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Timken Gears & Services Inc. Div Philadelphia Gear. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-01-265-1249 |
| Primary Part Number | 6643195-038 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Timken Gears & Services Inc. Div Philadelphia Gear |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES OVERALL |
| Surface Finish | 63.0 MICROINCHES BODY |
| Thread Length | 0.380 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 0.760 INCHES NOMINAL NUT THREAD IN |
| Material Document and Classification | ASME SA193 ASSN STD ALL MATERIAL RESPONSES |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.375 INCHES STUD THREAD IN |
| Nominal Thread Size | 0.375 INCHES NUT THREAD IN |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 16 NUT THREAD |
| Thread Quantity Per Inch | 16 STUD THREAD |
| Material | STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 321 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
|---|---|
| 6643195-038 PRIMARY | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| Reference | Meaning |
|---|---|
| 6643195-038 | 5/9 Secondary reference General Electric Company |
NSN 5307-01-265-1249 is a Stud,plain, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-265-1249 has 1 manufacturer part number on file: 6643195-038 (Timken Gears & Services Inc. Div Philadelphia Gear).
Key specifications for 6643195-038: Surface Finish: 63.0 MICROINCHES OVERALL; Surface Finish: 63.0 MICROINCHES BODY; Thread Length: 0.380 INCHES NOMINAL STUD THREAD IN; Thread Length: 0.760 INCHES NOMINAL NUT THREAD IN. 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.