Pascaline Parts List

Cast Acrylic Sheets
Size Thickness Color (Chemcast#) Quantity Use
12-by-12 in1/8 in.Yellow#20371Accumulator gears; misc. small parts
12-by-12 in1/8 in.Red #21571Input wheels; trim; readout gear
12-by-12 in1/8 in.Green#20301Output gear; backstops
12-by-12 in1/8 in.Black#20251Bottom panel
12-by-12 in1/8 in.Blue#21142Readout wheels and cover; sautoirs
12-by-12 in1/8 in.Clear--4Top/mids/front/back/side panels

Aluminum Standoffs
Size Type Length  Qty.  McMaster    Use
1/4 in.Hex4 in. 3 91780A057 Accumulator shaft
1/4 in.Hex3.5 in. 2 91780A053 Sautoir support
1/4 in.Hex2.5 in. 3 91780A045 Readout gear shaft
1/4 in.Hex2 in. 3 91780A174 Input gear shaft
1/4 in.Hex1.5 in. 2 91780A171 Sautoir shaft
1/4 in.Hex1 in. 2 91780A167 Input brace
1/4 in.Hex3/4 in. 3 91780A166 Backstop pawl
1/4 in.Round  3/4 in. 6 93330A437 Accumulator carry tubes

Zinc-Plated Steel Machine Screws and Nuts
Size Length Qty.  McMaster    Use
4-401.5 in.9 90272A119 Readout assembly
4-401 in. 120 90272A115 Accumulator gear teeth
4-403/4 in.1 pk 90272A113 miscellaneous
4-405/8 in.1 pk 90272A112 miscellaneous
4-401/2 in.1 pk 90272A110 Output gear teeth
4-403/8 in.2 pk 90272A108 miscellaneous
4-401/4 in.1 pk 90272A106 miscellaneous
4-40nuts 2 pk 90480A005 miscellaneous
4-40nylon locknuts   4 90631A005 Output cover; sautoir
3/8-16     5/8 in. screw 5 92865A621 Carry lever and backstop pawl weights
3/8-16nuts 5 90490A031 Carry lever and backstop pawl weights

Miscellaneous Parts
Description Qty.  McMaster    Use
#4 washers, OD 3/8 in. 24 98032A429 Shaft endcaps; backstops
#4 nylon spacers, 1/4 in.   21 94639A201 Readout wheels, sautoirs, finger stops
5/16 nylon spacers, 1 in. 2 94639A859 OD 3/4 in.; Accumulator spacers
5/16 nylon spacers, 7/8 in. 2 94639A856 OD 3/4 in.; Accumulator spacers
5/16 nylon spacers 5/8 in. 2 94639A850 OD 3/4 in.; Accumulator spacers
Extension springs, 0.875 in  2 9654K961 0.125 OD, 0.014 in. wire; Sautoir
Loctite 222, 0.34 oz 1 1810A27 Thread locker


Dave Touretzky
Last modified: Sat Sep 19 01:55:01 EDT 2015