Optical Element Retainer

SC-D-599157

SC-D-599157
(NSN) National Stock Number
5855-00-010-5156
Federal Supply Classification
5855 Emitted and Reflected Radiation Night Vision Equipment
Item Name Code
22451
Schedule B Code
9014900000
Summary

2.010 inches minimum and 2.025 inches maximum hole diameter, 3.540 inches minimum and 3.555 inches maximum width, 2.611 inches nominal overall length, 6 hole or slot quantity, 2.722 inches minimum and 2.724 inches maximum recess diameter, 1.680 inches nominal recess depth

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 Diameter
2.010 inches minimum and 2.025 inches maximum
Details The length of a straight line which passes through the center of a hole,and terminates at the circumference.
Width
3.540 inches minimum and 3.555 inches maximum
Details A measurement taken at right angles to the length of an item,in distinction from thickness.
Overall Length
2.611 inches nominal
Details The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
Hole Or Slot Quantity
6
Details The number of holes or slots included.
Recess Diameter
2.722 inches minimum and 2.724 inches maximum
Details The length of a straight line which passes through the center of the recess,and terminates at the circumference.
Recess Depth
1.680 inches nominal
Details A measurement between specified points on the recess,in distinction from height.
Thread Size
2.875 in.-16
Details Designates the thread diameter and number of threads per specific measurement scale.
Depth
0.080 inches nominal
Details A linear measurement from the surface to a specified inner point on an item,in distinction from height.
Drive Type
drilled hole
Details Indicates the type of drive for turning,rotating,or positioning the mechanism.
Drive Facility Angular Spacing In Deg
60.0
Details The angular spacing between drive facilities,expressed in degrees.
Radius From Geometric Axis To Hole Center
1.645 inches nominal
Details A measurement of the distance from the geometric axis to the hole center.
Guide Design
thread relief
Details The design of the guide on the item.
Internal Annular Serration
not provided
Details An indication of whether or not an internal annular serration(s) is provided.
Setscrew Notch
not provided
Details An indication of whether or not a setscrew notch is provided.
Hole Chamfer Angle In Deg
30.0
Details None. replaced by mrc aate with isac 0368.
Hole Chamfer Diameter
1.829 inches minimum and 1.876 inches maximum
Details None.
Material
aluminum alloy
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Special Test Features
interpret drawing iaw mil-d-1000; part iaw mil-std-130
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.
Style Designator
recessed
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Supplementary Features
make from material described on drawing sc-d-599183
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.
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

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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 5855-00-010-5156
What is the NIIN of the NSN 5855-00-010-5156?
The National Item Identification Number (NIIN) of the NSN 5855-00-010-5156 is 00-010-5156
When the NSN 5855-00-010-5156 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Wed, Nov 1, 1967
Does the NSN 5855-00-010-5156 contain any precious metals?
Does not contain precious metal
Does the NSN 5855-00-010-5156 contain any hazardous material?
No data in HMIRS

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