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Optical Element Retainer NSN 5855-01-165-2176

Item Description

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.

NSN 5855-01-165-2176 NSN: 5855-01-165-2176

Features and Characteristics

Hole Diameter
5.000 inches
Overall Length
0.200 inches
Hole Or Slot Quantity
3
Recess Depth
0.100 inches
Diameter
5.312 inches
Guide Design
Thread chamfer
Internal Annular Serration
Not provided
Setscrew Notch
Not provided
Material
Aluminum alloy, qq-a-200/8, 6061, t6
Material
Aluminum alloy 6061
Material Specification
Qq-a-200/8, 6061, t6 federal specification single material response
Surface Treatment
Paint
Special Test Features
Interest drawing iaw standards prescribed by mil-d-1000 category e, form 1
Style Designator
Recessed
Surface Treatment
Painted
Fsc Application Data
Night vision equip., emitted and reflected radiation
FSC
5855 Emitted And Reflected Radiation Night Vision Equipment
NIIN
011652176
NSN
5855011652176

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SM-D-850134
Cage Code:
0B107
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 9014900000
  • NAICS: 334511
  • SITC: 87412
  • Description: Parts & accessories for direction finding compasses and other navigational instruments and appliances
  • End Use (Code 22220):
    Marine engines, parts

Q & A

Frequently asked questions for NSN 5855-01-165-2176
What are the manufacturers of nsn 5855011652176?
Does this nsn 5855011652176 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5855011652176
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.
Does nsn 5855011652176 contain any precious metals?
No precious metal content.
Does nsn 5855011652176 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5855011652176?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22451
FIIG:
T271-K
App. Key:
KA
Cond. Code:
2
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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