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2b
RIGHT-Hand
0.815in.
3.609in. and 3.640in. ⁓3-41/64"
3-3/16 in.-24
3.490in. and 3.500in. ⁓3-1/2"
uns
retainer, optical element 1
internal
not provided
frankford arsenal
8644282 part no.
1
compound lens
frankford arsenal
8644284 part no.
both ends chamfered 0.031 in. by 45 deg; two no. 6-32UNC-2B thd holes on periphery, spaced 180 deg apart, 0.125in. distance from threaded end tocenter of holes; four 0.156 dia holes in two places on periphery, equally spaced, 0.650in. and 1.937in. distance from threaded end to center of holes
aluminum alloy
aluminum alloy
An item consisting of a cell, optical element in which is secured one or more optical elements, such as lenses, reticles, filters, windows, and the like. May include retaining rings, spacers, and/or separators. For items with focusing facilities and/or a diopter scale, see eyepiece assembly, optical instrument.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Precious metal content is unknown
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
HMIC: Hazardous Material Indicator Code. A one position code that identifies a hazardous item.
PMIC: Precious Metal Indicator Code. A one position code which identifies items that have precious metals as part of their content. precious metals are those metals generally considered to be uncommon, highly valuable, and relatively superior in certain properties such as resistance to corrosion and electrical conductivity.
ESD: Electrostatic Discharge. Indicates if an item is susceptible to electrostatic discharge or electromagnetic interference damage. electrostatic discharge damage occurs when an accumulation of static electricity generated by the relative motion or separation of materials is released to another item by direct contact. electromagnetic interference damage occurs when an item comes into proximity with an electrostatic or magnetic field.
ENAC: Enviromental Attribute Code. Identifies items with environmentally preferred characteristics.
CRITL: Criticality Indicator Code. Indicates an item is technically critical by tolerance, fit, application, nuclear hardness properties, or other characteristics.