جسم أسطواني ذو بنية صلبة أو مجوفة يوفر العناصر الدوارة في المحمل الأسطواني.
2.0000 inches nominal overall length, bearing pin hinge part name assigned by controlling agency, hinged ballistic doors, gang operated-details 25,above (exterior & interior) end item identification, qq-b-637 fed spec single material response separator slug material document and classification, copper alloy 464 separator slug material