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Optical Element Retaining Ring NSN 5855-00-125-0632

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 5855-00-125-0632 NSN: 5855-00-125-0632

Features and Characteristics

Thread Class
2b
Thread Pitch Diameters
+1.7340 to 1.7380 inches
Thread Length
0.125 inches
Overall Length
0.125 inches
Outside Diameter
1.870 inches
Thread Size
1 3/4-32
Screw Thread Series Designator
Uns
Mounting Configuration
0.063 in. Diameter holes 8
Thread Location
Internal
Special Features
Chamfered
Material
Aluminum alloy
Material
Aluminum alloy
Fsc Application Data
Night vision equipment, emitted and reflected radiation
FSC
5855 Emitted And Reflected Radiation Night Vision Equipment
NIIN
001250632
NSN
5855001250632

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SMB657308
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 5855-00-125-0632
What are the manufacturers of nsn 5855001250632?
Does this nsn 5855001250632 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5855001250632
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 5855001250632 contain any precious metals?
No precious metal content.
Does nsn 5855001250632 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5855001250632?
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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