1-5/8" RBN-8 item 20F - Twin Disc Clutch Assembly

View the Acme Gridley 1-5/8" RBN-8 illustrated code reference drawing for Group F

This National Acme replacement twin disc clutch assembly part number 16617 is for Acme Gridley 1-5/8" RBN-8 multi spindle screw machines starting with serial number AM-40083.  Please contact us if your screw machine serial number is prior to this number.

Ordering an Acme Gridley 1-5/8" RBN-8 item 20-F replacement twin disc clutch assembly automatically includes the following:

Qty (1) Twin Disc Clutch Assembly, Acme Gridley part number 16617
Qty (1) Thrust Washer, Acme Gridley part number 15920
Qty (3) Pins, Acme Gridley part number 15172
Qty (3) Finger Pins, Acme Gridley part number 8135 (item 81-G)
Qty (3) Finger Levers, Acme Gridley part number 8126 (item 80-G)
Qty (6) Release Spring Pins, Acme Gridley part number 0404-17 (item 93-G)
Qty (6) Release Springs, Acme Gridley part number 8304 (item 92-G)
Qty (1) Pin, Acme Gridley part number 8191 (item 84-G)
Qty (1) Lock Pin Spring, Acme Gridley part number 30244 (item 86-G)
Qty (1) Adjusting Lock Pin, Acme Gridley part number 8169 (item 85-G)
Qty (1) Wedge Collar, Acme Gridley part number 8220 (item 87-G)
Qty (3) Operating Wedges, Acme Gridley part number 8233 (item 88-G)
Qty (1) Hub, Acme Gridley part number 8108 (item 89-G)
Qty (3) Drive Keys, Acme Gridley part number 8117 (item 95-G)
Qty (1) Floating Plate, Acme Gridley part number 8261 (item 79-G)
Qty (6) Driving Plates, Acme Gridley part number 01999-5 (item 82-G)
Qty (5) Driven Plates, Acme Gridley part number 01999-27 (item 83-G)
Qty (1) Lock Plate, Acme Gridley part number 8319 (item 90-G)
Qty (1) Adjusting Ring, Acme Gridley part number 8161 (item 91-G)
Qty (3) Screws, Acme Gridley part number 0401-26

For more information, please view the Acme Gridley 1-5/8" RBN-8 illustrated code reference drawing for Group G

Item 20-F twin disc clutch assembly is identical to replacement twin disc clutch assemblies with code reference 20-H and 96-G.

For some Acme Gridley screw machine models, this twin disc clutch is referenced as item number 20-FA or 21-FF.