MRC:
Designates the thread diameter and number of threads per measurement scale of an externally threaded item.AWMG
External Thread Size:
3/4 in.-14
MRC:
Designates the thread diameter and number of threads per measurement scale of an internally threaded item.AWMH
Internal Thread Size:
1/8 -27
MRC:
A measurement of the working pressure and the type of service for which rated.CDPG
Working Pressure And Service Type:
125.0 pounds per square inch steam
MRC:
A designation distinguishing one group of external screw thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.CGMD
External Screw Thread Series Designator:
Npt
MRC:
The direction of the external thread when viewed axially.CGMF
External Thread Direction:
Right-hand
MRC:
A designation distinguishing one group of internal screw thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.CGMH
Internal Screw Thread Series Designator:
Npt
MRC:
The direction of the internal thread when viewed axially.CGMJ
Internal Thread Direction:
Right-hand
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Iron, malleable
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Iron malleable
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
N1 outside hexagon or octagon (partial or full thread optional)
