grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com rotary switches multi-deck rotary switches accessories internal tooth lockwasher?figure a for a 3 / 8 " bushing. approximately 0.500" (12,7) outside diameter, .022" (0,56) thickness. material is cadmium-plated steel. part no. 12q1272-1 for a 1 / 4 " bushing. approximately 0.400" (10,16) outside diameter, .018" (0,46) thickness. material is steel, tin/ zinc plated. non-turn washer?figure b can be ordered as extra hardware for the series 5000, 24, 42, 43, 44, 54, 71b, 53, 57 and 59 rotary switches. the internal key of the washer slides into the bushing keyway. the right angle tab locks into a predrilled hole on the back side of the mounting panel. material is brass, tin/zinc plated. part no. 12c1087-1 panel seal kit?figure c sold as a separate item to seal the switch ordering information: single shaft switches, add-a-pot switches ordering information: concentric shaft rotary switches series: determined by the type of switch and the angle of throw style*: letter(s) from the choices and limitations chart angle of throw: must agree with series number number of decks: as limited by the angle of throw, the poles per deck, switch style and type of contacts 44m30?02?1?12n?f stop arrangement: add letter f to a one pole per deck switch with the maximum number of positions for a stop between position 1 and the last position. leave blank for continuous rotation type of contacts: n = non-shorting; s = shorting positions per pole: requires 02 positions as a minimum to maximum allowable dependent on the angle of throw and poles per deck. use aj for adjustable stops (styles d and ud). poles per deck: as limited by angle of throw, switch series and style * all rotary switches that are required to have military designated markings and testing adhering to mil-3786 are to be ordered by specifying the military part number identified on the appropriate slash sheet. series: determined by the angle of throw, applicable to both sections style*: letter(s) from the choices and limitations chart section a (front) number of decks: as limited by the number of poles per deck poles per deck: as limited by the angle of throw positions per pole: requires 02 positions as a minimum to the maximum allowable dependent on the angle of throw and the poles per deck type of contacts: n=non-shorting, s=shorting. all one pole per deck switches with the maximum number of positions are continuous rotation 43m02110n?m03203s section b (rear) the limitations listed for section a apply to section b type of contacts positions per pole poles per deck number of decks style * all rotary switches that are required to have military designated markings and testing adhering to mil-3786 are to be ordered by specifying the military part number identified on the appropriate slash sheet. available from your local grayhill distributor non-turn washer seal keyed washer hex nut figure c .625 .010 (15,88 0,25) dia. .375 + .004 ? .000 (9,53 + 0,10) dia. .375 .005 (9,53 0,13) .125 .003 (3,18 0,08) c l .032 .002 (0,81 0,05) .187 .010 (4,75 0,25) .045 .003 (1,14 0,08) .010 .002 (0,25 0,05) .562 (14,27) across flats .088 (2,24)/ .093 (2,36) .120 .003 (3,18 0,08) .060 .002 (1,52 0,05) .154 + .004 ?.000 (3,91 + 0,10 ?0,00) dia. .437 .010 (11,10 0,25) .625 .010 (15,88 0,25) dia. .376 + .003 ?.000 (9,55 + 0,08 ?0,00) dia. .125 .010 (3,18 0,25) .032 .002 (0,81 0,05) figure b figure a bushing to the panel. the kit consists of four items: a grooved hex nut, a keyed washer, a keyed seal and a non-turn washer. assembly is described on page j-53. dimensions of panel seal kit items are shown in figure c. this kit seals the bushing to the panel; it does not seal the shaft to the bushing. not usable with adjustable stop switches. part no. 42-24 for prices and discounts, contact a local sales office, an authorized local distributor or grayhill. rotary 31
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