Part Number
DEMIL
Shelf Life
UOM
NIIN
NSN
National Stock Number:
TXT
Description:
Optical Element Retaining Ring
MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
2b
MRC:
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.AAJF
Thread Direction:
Right-hand
MRC:
The length of a straight line which passes through the center of the groove,and terminates at the circumference.AAVZ
Groove Diameter:
2.490 inches
MRC:
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.ABET
Thread Length:
0.172 inches
MRC:
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.ABKV
Outside Diameter:
2.688 inches
MRC:
Designates the thread diameter and number of threads per specific measurement scale.ABUJ
Thread Size:
2 1/2-28
MRC:
The length of a straight line which passes through the center of an aperture,and terminates at the circumference.ABVL
Aperture Diameter:
2.406 inches
MRC:
A measurement taken at right angles to the length of the inner groove,in distinction from thickness.ADWA
Inner Groove Width:
0.078 inches
MRC:
A designation distinguishing one group of screw thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.AJYP
Screw Thread Series Designator:
Uns
MRC:
Indicates the location of the thread on the item.APJC
Thread Location:
Internal
MRC:
A measurement of the smallest dimension of an internal flange,in distinction from length or width.BMTL
Internal Flange Thickness:
1.750 inches
MRC:
Indicates the location of the groove on the item.BMTY
Groove Location:
Inside end of thread
MRC:
An indication of whether or not a knurled periphery is provided.BPDQ
Knurled Periphery:
Provided
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Aluminum alloy, qq-a-225/8, alloy 6061, t6 or aluminum alloy, ww-t-700/3, alloy 2024, t3 or aluminum alloy, ww-t-700/6, alloy 6061, t6
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Aluminum alloy 6061 or aluminum alloy 2024 or aluminum alloy 6061
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-a-225/8, alloy 6061, t6 federal specification 1st material response and ww-t-700/3, alloy 2024, t3 federal specification 2nd material response and ww-t-700/6, alloy 6061, t6 federal specification 3rd 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:
Anodize
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:
Anodized, mil-a-8625, type 2, class 2
