Backstops - Shaft Mount Gearboxes | Formsprag Clutch

Formsprag Backstops for Shaft Mount Gearboxes

Formsprag Clutch has been designing and manufacturing backstops for use in shaft mount gearboxes for over 50 years.

OEM Part Number	Formsprag Clutch Part Number	OEM Part Number	Formsprag Clutch Part Number
241101	CL4605-1FD	901102	CL4605-192FD
242101	CL4605-2FD	902102	CL4605-193FD
243101	CL4605-7AFD	903102	CL4605-194FD
243106	CL4605-2-3FD	904102	CL4605-195FD
244092	CL4605-7A-1FD	904103	CL4605-196FD
244101	CL4605-6FD	905102	CL4605-197FD
244106	CL4605-177-1FD	905103	CL4605-198FD
244148	CL4605-178FD	906102	CL4605-199FD
245101	CL4605-10AFD	906103	CL4605-200FD
245154	CL4605-179FD	907102	CL4605-202FD
246092	CL4990-4FD	907103	CL4605-201FD
246101	CL4605-10FD	908102	CL4605-203FD
247260	CL4990-3FD	908103	CL4605-204FD
249260	CL4636-3FD	909102	CL4605-205FD
250260	CL40296-4FD	910102	CL4605-206FD
252101	CL4605-5FD	910103	CL4605-207FD
272259	CL4605-104-1FD	912102	CL4605-208FD
272293	CL4605-105-1FD	912103	CL4605-209FD

Supplier of both industrial and aerospace clutches
The brand trusted by Airlines and the Military for their FLIGHT CRITICAL applications
AS9100D & ISO9001:2015 Certified
Serving the needs of industry since 1943
Experience matters - over 500 years of combined engineering experience under one roof
In-house heat treat and metallurgical test lab
The original…not a copy
3,900+ designs and counting
Reliability second to none
Factory authorized and certified rebuild facilities around the globe
Formchrome® extends sprag wear life 180% over Non-Formchrome sprags
Made in USA
More than 50 patents and counting