MRC:
The length of a straight line which passes through the center of a circular figure or body,and terminates at the circumference.ABMZ
Diameter:
12.500 inches
MRC:
The element,compound,or mixture of which the frame is fabricated.ADNM
Frame Material:
Steel, corrosion resisting
MRC:
The element,compound,or mixture of which the cover is fabricated.AFFA
Cover Material:
Steel, corrosion resisting
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
Misc parts hull structure for mhc-51
MRC:
Indicates the type of frame included on the item.ALDF
Frame Type:
Flanged
MRC:
The physical configuration of the frame.ALJW
Frame Shape:
Round
MRC:
An indication of whether or not a cover is provided.AQHT
Cover:
Provided
MRC:
An indication of whether or not a spigot is included.BBQF
Spigot:
Not included
MRC:
The length of a straight line which passes through the center of the frame opening,and terminates at the circumference.BLHM
Frame Opening Diameter:
12.000 inches
MRC:
The length of a straight line which passes through the center of the frame,and terminates at the outside circumference.CDKG
Frame Outside Diameter:
17.125 inches
MRC:
An indication of whether or not an outside finishing ring is included.CDKM
Outside Finishing Ring:
Included
MRC:
An indication of whether or not a removable hinge pin is included.CDKN
Removable Hinge Pin:
Included
MRC:
An indication of whether or not plate glass is included in the holder.CDKP
Plate Glass In Holder:
Not included
MRC:
An indication of whether or notCDKR
Screen:
Not included
MRC:
An indication of whether or not a water shed is included.CDKT
Water Shed:
Not included
MRC:
An indication of whether or not a ventilating deadlight is included.CDKX
Ventilating Deadlight:
Not included
MRC:
A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.ZZZY
Reference Number Differentiating Characteristics:
Magnetic permeability shall not exceed 2.0 after fabrication
