NSN 3010-00-836-3201

3010008363201

NO

61414

N/A

Test set, altimeter warning an/apm-254

Consists of collapsible sidewalls not less than 1.98 inches inner diameter and not greater than 3.27 inches outer diameter with 18 convolutions at .004 inches thickness on each fold or 20 convolutions at .003 inches thickness on each fold; material: plastic and steel; tubing per mil-t-8808; protruding tubing section at 30 degree angle from steel plate with diameter of .250 inches; distance from center axis of tubing to perimeter shall be 1.688 inches; length and width of steel plates shall be 3.38 inches; protruding shaft from steel plate opposite plate with tubing shall be 2.50 inches with diameter of .020; extended length of bellows at 8500 feet altitude shall be 2.25 inches and at 7000 feet shall be 1.9 inches; 1 hole at each of 8 corners of perimeter for total of 8 holes; dust cap provided