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Optical Element Retaining Ring NSN 5855-01-273-6131

Item Description

A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see retainer, optical element. Excludes cell, optical element; nut, plain knurled; nut, plain round; and ring, retaining.

NSN 5855-01-273-6131 NSN: 5855-01-273-6131

Features and Characteristics

Overall Length
Between 0.910 inches and 0.930 inches
Outside Diameter
2.280 inches
Aperture Diameter
Between 1.841 inches and 1.842 inches
End Application
Night vision sight: indiv served wep an/pvs-4; crew served wep an/tvs-5; assembly su-87/pvs-4
Internal Flange Thickness
Between 0.130 inches and 0.150 inches
Knurled Periphery
Not provided
Special Features
Next assembly is sm-d-850402
Material
Aluminum alloy, qq-a-250/11, t6
Material
Aluminum alloy 6061
Surface Treatment
Chemical
Fsc Application Data
Night vision equip., emitted and reflected radiation
FSC
5855 Emitted And Reflected Radiation Night Vision Equipment
NIIN
012736131
NSN
5855012736131

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SM-D-850403-1
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 5855-01-273-6131
What are the manufacturers of nsn 5855012736131?
Does this nsn 5855012736131 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5855012736131
A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. it may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. for externally threaded items, see retainer, optical element. excludes cell, optical element; nut, plain knurled; nut, plain round; and ring, retaining.
Does nsn 5855012736131 contain any precious metals?
No precious metal content.
Does nsn 5855012736131 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5855012736131?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22585
FIIG:
T271-J
App. Key:
JC
Cond. Code:
2
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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