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Optical Element Retainer NSN 5855-01-165-2158

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 5855-01-165-2158 NSN: 5855-01-165-2158

Features and Characteristics

Hole Diameter
1.300 inches
Overall Length
0.140 inches
Hole Or Slot Quantity
4
Recess Diameter
1.300 inches
Recess Depth
0.070 inches
Diameter
1.580 inches
Guide Design
Thread chamfer
Internal Annular Serration
Not provided
Setscrew Notch
Not provided
Hole Chamfer Angle In Deg
45.0
Hole Chamfer Diameter
1.300 inches
Material
Aluminum alloy, qq-a-225/8, alloy 6061, t6 and aluminum alloy, qq-a-250/11, t6
Material
Aluminum alloy 6061 and aluminum alloy 6061
Special Test Features
Interpret drawing iaw standards prescribed by mil-d-1000
Style Designator
Recessed
Surface Treatment
Dull black
Fsc Application Data
Night vision equipment, emitted and reflected radiation
FSC
5855 Emitted And Reflected Radiation Night Vision Equipment
NIIN
011652158
NSN
5855011652158

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SM-C-850160
Cage Code:
80063
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 5855-01-165-2158
What are the manufacturers of nsn 5855011652158?
Does this nsn 5855011652158 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5855011652158
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 5855011652158 contain any precious metals?
No precious metal content.
Does nsn 5855011652158 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5855011652158?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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