The Piston,synchroclutch Brake, cataloged under National Stock Number 2835-01-033-7690, 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. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2835-01-033-7690 |
| Item Name | Piston,synchroclutch Brake |
| FSC / FSG | 2835 / 28 — Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL AISI C-1040,O/A DIM. 17.355 IN. OD BY 12.025 IN. ID BY 1.312 IN. LG,0.457 IN. DP BY 0.375 IN. W O-RING GROOVE ON CIRC,SIX 0.312-18 UNC2B BY 0.625 IN. DP TAPPED HOLES EQUALLY SPACED ON 13.000 IN. DIA BO CIRCLE,4 SLOTS 0.500 IN. W BY 0.250 IN. DP EQUALLY SPACED ON FACE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 95-238-0034-3 | 3/9 Design control — primary reference Timken Gears & Services Inc. Div Philadelphia Gear |
NSN 2835-01-033-7690 is a Piston,synchroclutch Brake, classified under FSC 2835, Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components. Status: active.
Key specifications for 2835-01-033-7690: General Characteristics Item Description: STEEL AISI C-1040,O/A DIM. 17.355 IN. OD BY 12.025 IN. ID BY 1.312 IN. LG,0.457 IN. DP BY 0.375 IN. W O-RING GROOVE ON CIRC,SIX 0.312-18 UNC2B BY 0.625 IN. DP TAPPED HOLES EQUALLY SPACED ON 13.000 IN. DIA BO CIRCLE,4 SLOTS 0.500 IN. W BY 0.250 IN. DP EQUALLY SPACED ON FACE 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.