MRC:
The distance measured in a straight line from the bottom to the top of an item.ABKW
Overall Height:
Between 0.512 inches and 0.515 inches
MRC:
The length of a straight line which passes through the center of an aperture,and terminates at the circumference.ABVL
Aperture Diameter:
Between 29.867 inches and 29.872 inches
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
Nssn class submarine 30 inch unseating lower hatch
MRC:
The length of a straight line which passes through the center of the mounting flange,and terminates at the circumference.APTE
Mounting Flange Diameter:
Between 32.220 inches and 32.225 inches
Seal Seat Diameter:
Between 31.771 inches and 31.776 inches
MRC:
The structural characteristic of the item.CQCF
Construction:
One-piece
MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
57 - 0.344" equally spaced bolt holes each with 0.692" x 82 degree countersink; 4 - 0.375 - 16 unc-28 jack screw holes
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Nickel alloy
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
Qq-n-281 cl a form 6 rolled federal specification single material response
