MRC:
Indicates whether or not a ferrous alloy object has been subjected to a process whereby the outer portion is made substantially harder than the inner portion or core.AASG
Casehardening Indicator:
Not casehardened
MRC:
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.ABHP
Overall Length:
Between 2.110 inches and 2.130 inches
MRC:
The length of a straight line which passes through the center of the striking end,and terminates at the circumference.AMZG
Striking End Diameter:
Between 0.179 inches and 0.180 inches
MRC:
Indicates the type of firing pin.AMZS
Firing Pin Type:
Multiple shoulder
MRC:
Indicates the type of striking end.AMZT
Striking End Type:
Square
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Steel, mil-s-5626, comp 4140
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 4140
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:
Mil-s-5626, comp 4140 military specification single material response
MRC:
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.SFTT
Surface Treatment:
Chromium
MRC:
Consists of plating,dip,and/or coating that cannot be wiped off.plating and/or coating is any chemical and/or metallic additive,electrochemical,or mild mechanical process which protects a surface.SURF
Surface Treatment:
Chromium plated
MRC:
The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.ZZZV
Fsc Application Data:
Catapult, model no. M3a1, m4a1, m5a1
