Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
Once this item is unserviceable, procure: new firing pin, p/n 12997554, nsn 1010-491-8631, and new sear, p/n 12997556, nsn 1010-01-491-8632.
NSN
National Stock Number:
MRC:
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.ABHP
Overall Length:
Between 1.333 inches and 1.343 inches
MRC:
An overall measurement taken at right angles to the length of an item,in distinction from thickness.ABMK
Overall Width:
Between 0.622 inches and 0.624 inches
MRC:
A numeric value that reflects the hardness of a metallic item when used in conjunction with a hardness rating scale.AETC
Metallic Hardness Rating:
40.0 rockwell c and 44.0 rockwell c
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Steel, mil-s-5000
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp e4340
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-5000 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 and chromium
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.STDC
Surface Treatment Specification:
Qq-c-320, type 2 federal specification 1st treatment response and qq-c-320, class 2 federal specification 2nd treatment response
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, qq-c-320, type 2 and chromium, qq-c-320, class 2
