5120-33-203-3959

2910-00-358-5549 2910003585549 003585549 TANK,FUEL

4310-00-361-3134 4310003613134 003613134 is a circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. it is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. it may include an expander. excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

1560-99-300-9554 1560993009554 993009554 is a device of various shapes to be permanently attached to the structure of an aircraft. it is designed to permanently mount and/or support an integral member, or group of members of the airframe in a proper position and bear the stress imposed by the components being supported. it may have mounting provisions, such as slots, holes, and/or attachments to facilitate installation. excludes items which are primarily designed for dampening shock and/or vibration. excludes bracket, angle; bracket, double angle; bracket, shelf; bracket, mounting; bracket (1), structural component, aircraft; and radius block.

2920-99-804-1068 2920998041068 998041068 BLOCK,OIL,DRAIN

3120-01-190-9573 3120011909573 011909573 is a tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. the overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. for items made of rubber, see bushing, nonmetallic. see also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. excludes bushing, drill, jig.