5305-33-002-2711

5305-12-134-8614 5305121348614 121348614 is an externally threaded fastener whose threaded portion is of one nominal diameter. the head has an internal socket or multiple spline for use with an inserted driver. a locking feature may be incorporated in the design of the head or threads. excludes items with bevel (conical) heads. see bolt, internal wrenching. excludes screw, shoulder; and screw, machine.

5305-12-134-6217 5305121346217 121346217 is an externally threaded fastener whose threaded portion is of one nominal diameter. the head has an internal socket or multiple spline for use with an inserted driver. a locking feature may be incorporated in the design of the head or threads. excludes items with bevel (conical) heads. see bolt, internal wrenching. excludes screw, shoulder; and screw, machine.

6680-99-027-0001 6680990270001 990270001 is an item so designed to have a portion or all of its body transparent to permit the visual examination of the amount of liquid in a pressure vessel, boiler, evaporator, still, processing tank, reservoir, pipe tubing line, and the like, and/or to determine the flow to a lubricated part. it may also be provided with an element that changes colors to indicate changes in moisture content. the item may have a means for refilling. excludes indicator, liquid quantity and indicator, rate of flow.