The Stud,shouldered, cataloged under National Stock Number 5307-01-265-1248, 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 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-265-1248 |
| Primary Part Number | 8444359-138 |
| Item Name | Stud,shouldered |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Timken Gears & Services Inc. Div Philadelphia Gear |
| Status | ACTIVE |
| Thread Length | 0.750 INCHES NOMINAL STUD THREAD IN |
| Thread Length | 1.094 INCHES NOMINAL NUT THREAD IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | ASTM A193 GR B7 ASSN STD ALL MATERIAL RESPONSES |
| Nominal Thread Size | 0.625 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.625 INCHES STUD THREAD IN |
| Thread Quantity Per Inch | 11 NUT THREAD |
| Thread Quantity Per Inch | 11 STUD THREAD |
| Material | STEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 |
| Shoulder Length | 0.125 INCHES NOMINAL IN |
| 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 |
|---|---|
| 8444359-138 PRIMARY | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| Reference | Meaning |
|---|---|
| 8444359-138 | 5/9 Secondary reference General Electric Company |
| K-8444359-138 | 5/9 Secondary reference General Electric Company |
NSN 5307-01-265-1248 is a Stud,shouldered, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-265-1248 has 1 manufacturer part number on file: 8444359-138 (Timken Gears & Services Inc. Div Philadelphia Gear).
Key specifications for 8444359-138: Thread Length: 0.750 INCHES NOMINAL STUD THREAD IN; Thread Length: 1.094 INCHES NOMINAL NUT THREAD IN; Style Designator: SHOULDERED; Material Document and Classification: ASTM A193 GR B7 ASSN STD ALL MATERIAL RESPONSES. 12 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.