8405-01-607-1111

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

all purpose liner part name assigned by controlling agency, all purpose liner will have zipper pulls at the top and bottom of the liner and be accessible from inside and outside the liner; apl will have a non-reflective finish; zipper pull and operation will have low noise signature; zipper will be attached from the bottom of the liner to the top on the side with the top of the liner being open; apl shall be reversible by having a woodland digital marpat pattern on one side and solid coyote brown on the the other side; apl will have colorfast to prevent fading for one year due to living and working in a combat environment; liner is constructed to be durable to heavy field use and multiple launderings; insulation factor of the liner will be less than a 1.20 intrinsic clo value for the material and 3.60 thermal manikin clo when the liner is zipped shut and used as a summer weight sleeping bag with tee/cammie trousers/socks/bivy cover; after 20 launderings, the material shall maintain at least 50% of its insulation value special features, when the liner zipper is closed, a marine will have ability to force open the liner without causing damage to the liner or zipper supplementary features