Optical Element Retainer

SM-C-657406

SM-C-657406
(NSN) National Stock Number
5855-00-125-0753
Federal Supply Classification
5855 Emitted and Reflected Radiation Night Vision Equipment
Item Name Code
22451
Schedule B Code
9014900000
Summary

1 hole or slot quantity, 0.209 inches minimum and 0.229 inches maximum diameter, drilled hole drive type, provided setscrew notch, 2.125 in. long and 0.062 in. thick special features, plastic material

DAC HCC DMIL RNCC
A - - 3
RNVC SADC MSDS RNAAC
2 - - TX
Identification

A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical element(s), and form the internal or central portions of an optical system, see cell, optical element. Excludes:ring, externally threaded.

INC FIIG Concept Condition
22451 T271-K - 2
Specifications
Hole Or Slot Quantity
1
Details The number of holes or slots included.
Diameter
0.209 inches minimum and 0.229 inches maximum
Details The length of a straight line which passes through the center of a circular figure or body,and terminates at the circumference.
Drive Type
drilled hole
Details Indicates the type of drive for turning,rotating,or positioning the mechanism.
Setscrew Notch
provided
Details An indication of whether or not a setscrew notch is provided.
Special Features
2.125 in. long and 0.062 in. thick
Details Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.
Material
plastic
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Special Test Features
interpret drawing iaw mil-d-1000/5a; color 34087 or 34079 iaw fed-std-585; for spare parts identify iaw mil-m-13231
Details Test conditions and ratings,or environmental and performance requirements that are different,more critical,or more specific than those specified in a governing test data document.
Supplementary Features
hardness porm 5 pct
Details Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.
Fsc Application Data
night vision equipment,emitted and reflected radiation
Details The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
33110 - D -
RVC WCC TCC SHC
- 744 Z 9

Provided with every order

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Manufacturer
US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR
CAGE: 80063
ABERDEEN PROVING GROUND , MD , 21005
UNITED STATES
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FAQs
Frequently asked questions for NSN 5855-00-125-0753
What is the NIIN of the NSN 5855-00-125-0753?
The National Item Identification Number (NIIN) of the NSN 5855-00-125-0753 is 00-125-0753
When the NSN 5855-00-125-0753 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Sat, Sep 7, 1974
Does the NSN 5855-00-125-0753 contain any precious metals?
Does not contain precious metal
Does the NSN 5855-00-125-0753 contain any hazardous material?
No data in HMIRS

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