Parts List for the FAT key

by Rob L. Dey, KA2BEO  2/1/95


ITEM    QTY     DESCRIPTION

Plexiglass, Lexan, PVC, or Delrin (clear, black, grey, or white)
1       1       3/16"thk or 1/4"thk x 2-1/4"W x 5-1/4"L rectangular base
2       1       1/8"thk x 1-1/2"W x 1-3/4"L triangular yoke top
3       2       1/8"thk x 1"W (3/8"W at narrow end) x 1-1/2"L triangular paddle

Aluminum #6061-T6
4       1       1/8"thk x 1/2"W bar stock x 1-1/2"L lever A
5       1       1/8"thk x 1/2"W bar stock x 1-1/2"L lever B
6       1       1/8"thk x 1/4"W bar stock x 2-5/8"L arm
7       1       3/16"dia. rod x 3-5/8"L pendulum
8       1       3/16"dia. rod x 2-7/8"L pendulum
9       1       1/4"dia. #6-32 threaded spacer x 5/8"L dampener
10      2       1/4"dia. #6-32 threaded spacer x 7/8"L yoke
11      2       1/4"dia. #6-32 threaded spacer x 7/8"L, with #6-32 thru hole at
                 3/8" high
12      2       1/4"dia. #6-32 threaded spacer x 7/8"L, with #6-32 thru hole at
                 5/8" high

Stainless-steel #18-8
13      2       #2-56 x 1/8"L round-head machine screw
14      2       #2-56 x 1/4"L round-head machine screw
15      2       #2-56 nut
16      2       #4-40 x 1/8"L hex set screw
17      4       #4-40 x 1/4"L flat-head machine screw
18      4       #4-40 nut
19      2       #4-40 x 3/8"L round-head machine screw
20      2       #6-32 x 1/4"L round-head machine screw
21      7       #6-32 x 3/8"L round-head machine screw
22      9       #6-32 x 1/2"L round-head machine screw
23      3       #6-32 x 1/2"L round-head machine screw, sharpened 1/8"
24      2       #6-32 x 5/8"L round-head machine screw
25      2       #6-32 x 5/8"L round-head machine screw, sharpened 1/8"
26      4       #6-32 x 3/4"L round-head machine screw
27      1       #6-32 x 3/4"L round-head machine screw, sharpened 1/8"
28      6       #6 flat washer
29      14      #6-32 nut
30      2       #6-32 knurled nut
31      2       3/16"id x 3/8"od x 1/4"L U-spring mount
32      2       3/16"id x 1/2"od x 1/2"L weight

Spring-steel or nickel-plated brass (nuloy) 0.016"thk
33      1       1/4"W x 1-1/8"L, 3/8"L mounted (dot) main flat-spring
34      1       1/4"W x 1-7/8"L, 1-1/8"L mounted (dash) main flat-spring
35      1       3/16"W x 1.821"L, 7/8"L mounted, with 1/8"gap (dot) contact
                 U-spring
36      1       3/16"W x 3.071"L, 1-1/2"L mounted, with 1/8"gap (dash) contact
                 U-spring
37      2       1/8"dia. x 1/8"L extension spring

Other materials
38      6       #6 tinned solder lug with internal locking teeth
39      1'      #22 AWG tinned solid copper wire
40      2       #6 nylon washer 1/16"thk x 5/16"od
41      4       Rubber feet, self-stick
42      4       3/16"dia. x 0.040"thk silver-plated contact rivet, 5/64"dia. x
                 3/32"L shank, Mallory #31-242-0037