The Cup,synchroclutch, cataloged under National Stock Number 2835-01-037-3764, 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1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2835-01-037-3764 |
| Item Name | Cup,synchroclutch |
| 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 4340,O/A DIM. 22.010 IN. OD BY 17.250 IN. ID BY 12.062 IN. LG,SIXTEEN 0.688 IN. DIA FLANGE MTG HOLES ON 20.500 IN. DIA BO CIRCLE,ONE SECT. 108 INTERNAL INVOLUTE FELLOWS CUT SPLINES 18.000 IN. PITCH DIA BY 1.250 IN. LG,SECOND SECT. 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 4.750 IN. LG,EXTERNAL FELLOWS CUT SPUR GEAR 194 TEETH 19.212 IN. PITCH DIA 0.500 IN. LG,DYNAMICALLY BALANCED WITHIN 0.12 OZ IN. PER PLANE OZ |
| 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 |
|---|---|
| 95-195-0005-4 | 3/9 Design control — primary reference Timken Gears & Services Inc. Div Philadelphia Gear |
NSN 2835-01-037-3764 is a Cup,synchroclutch, classified under FSC 2835, Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components. Status: active.
Key specifications for 2835-01-037-3764: General Characteristics Item Description: STEEL AISI 4340,O/A DIM. 22.010 IN. OD BY 17.250 IN. ID BY 12.062 IN. LG,SIXTEEN 0.688 IN. DIA FLANGE MTG HOLES ON 20.500 IN. DIA BO CIRCLE,ONE SECT. 108 INTERNAL INVOLUTE FELLOWS CUT SPLINES 18.000 IN. PITCH DIA BY 1.250 IN. LG,SECOND SECT. 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 4.750 IN. LG,EXTERNAL FELLOWS CUT SPUR GEAR 194 TEETH 19.212 IN. PITCH DIA 0.500 IN. LG,DYNAMICALLY BALANCED WITHIN 0.12 OZ IN. PER PLANE OZ. 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.