Our online catalog is being updated! Please contact us for current pricing. Precision Linear Feedthroughs FLMM Series Precision Linear Feedthroughs, FLMM Series Description Thermionics manufactures a full line of metal sealed rotary motion feedthroughs. These feedthroughs are designed and manufactured to the highest standard of quality and care in the industry. Our design is conservative, utilizing the same principles as those of our precision feedthrough line. We use welded bellows and all ball bearing construction. Custom probe lengths and shaft extensions are available. Base Schematics Precision Linear Feedthroughs FLMM-133-25 Series 1/4" O.D. probe 1.33" O.D. mounting flange 1" or 2" stroke Micrometer actuated, 40 turns/inch, pre-loaded coupling 3" minimum flange face to probe tip Stainless steel bellows sealed Stainless steel linear shaft bearing Maximum bakeout temperature: 200°C FLMM-133-25-1 & 2 Precision Linear Feedthroughs FLMM-275-50 Series 1/2" O.D. support shaft 2.75" O.D. mounting flange 1" or 2" stroke Micrometer actuated, 40 turns/inch, with pre-loaded micrometer-to-probe coupling Stainless steel bellows sealed Maximum bakeout temperature: 200°C FLMM-275-50 Ordering Information Precision Linear Feedthroughs Flange O.D. Probe/Support Shaft O.D. Stroke A Model No. Price 1.33 0.25 1.00 8.69" FLMM-133-25-1 $915 2.00 12.64" FLMM-133-25-2 $1,015 2.75 0.50 1.00 8.20" FLMM-275-50-1 $1,195 2.00 10.00" FLMM-275-50-2 $1,295 Options Option: Custom Length Probe Model Number: /CL Price: add $60 Option: 2.75" Flange   Price: add $60 Order FLMM-133(275)-X.