The Cup,synchroclutch Brake, cataloged under National Stock Number 2835-01-033-7688, is classified within Federal Supply Class 2835 (Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components) of the Engines, Turbines, and Components 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2835-01-033-7688 |
| Primary Part Number | 95-454-0017-3 |
| Item Name | Cup,synchroclutch Brake |
| FSC / FSG | 2835 / 28 — Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components |
| Manufacturer | Timken Gears & Services Inc. Div Philadelphia Gear |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL AISI 4140,O/A DIM. 20.000 IN. OD BY 12.375 IN. ID BY 5.188 IN. LG,70 INTERNAL INVOLUTE FLAT ROOT SIDE FIT SPLINES REDUCED TO 66 SPLINES BY REMOVING TEETH NO. 1,18,36 AND 53,17.500 IN. PITCH DIA,TWELVE 0.500-13UNC-2B BY 0.875 IN. DP TAPPED HOLES EQUALLY SPACED ON 19.000 IN. DIA BO CIRCLE 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 |
|---|---|
| 95-454-0017-3 PRIMARY | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
NSN 2835-01-033-7688 is a Cup,synchroclutch Brake, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 2835, Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components. Status: active.
NSN 2835-01-033-7688 has 1 manufacturer part number on file: 95-454-0017-3 (Timken Gears & Services Inc. Div Philadelphia Gear).
Key specifications for 95-454-0017-3: General Characteristics Item Description: STEEL AISI 4140,O/A DIM. 20.000 IN. OD BY 12.375 IN. ID BY 5.188 IN. LG,70 INTERNAL INVOLUTE FLAT ROOT SIDE FIT SPLINES REDUCED TO 66 SPLINES BY REMOVING TEETH NO. 1,18,36 AND 53,17.500 IN. PITCH DIA,TWELVE 0.500-13UNC-2B BY 0.875 IN. DP TAPPED HOLES EQUALLY SPACED ON 19.000 IN. DIA BO CIRCLE IN. 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.