The Yoke,gear Assembly, cataloged under National Stock Number 5342-01-256-8577, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Timken Gears & Services Inc. Div Philadelphia Gear. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5342-01-256-8577 |
| Primary Part Number | DGR4350 PT 139 |
| Item Name | Yoke,gear Assembly |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Timken Gears & Services Inc. Div Philadelphia Gear |
| Status | ACTIVE |
| General Characteristics Item Description | WIDTH,1.500IN IN |
| 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 |
|---|---|
| DGR4350C PT139 | Siemens Energy, Inc. (USA) |
| DGR1819AVM | Naval Inventory Control Point Mechanicsburg (USA) |
| DGR4350C PT139VM | Naval Inventory Control Point Mechanicsburg (USA) |
| DGR4350B PT139VM | Naval Inventory Control Point Mechanicsburg (USA) |
| DGR4350 PT 139 PRIMARY | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| DGR4350B PT139 | Siemens Energy, Inc. (USA) |
| Reference | Meaning |
|---|---|
| DGR4350C | D/9 Drawing number reference only Siemens Energy, Inc. |
| DGR1819A | 3/1 Design control — primary reference Siemens Energy, Inc. |
| DGR4350B | D/9 Drawing number reference only Siemens Energy, Inc. |
NSN 5342-01-256-8577 is a Yoke,gear Assembly, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-256-8577 has 6 manufacturer part numbers on file: DGR4350C PT139 (Siemens Energy, Inc.), DGR1819AVM (Naval Inventory Control Point Mechanicsburg), DGR4350C PT139VM (Naval Inventory Control Point Mechanicsburg), DGR4350B PT139VM (Naval Inventory Control Point Mechanicsburg), DGR4350 PT 139 (Timken Gears & Services Inc. Div Philadelphia Gear) and 1 more.
Key specifications for DGR4350 PT 139: General Characteristics Item Description: WIDTH,1.500IN IN; Special Features: MAGNETIC PERMEABILITY SHALL EXCEED 2.0 AFTER FABRICATION MINESWEEPER. MCM-1, GEAR SUPPORT AND GEAR ASSEMBLY-STB; End Item Identification: MINESWEEPER, MCM-1, GEAR ASSEMBLY - PORT AND GEAR ASSEMBLY - STBD. 1 specification is 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.