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Optical Element Retaining Ring NSN 6650-00-382-5646

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 6650-00-382-5646 NSN: 6650-00-382-5646

Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Thread Length
0.250 inches
Overall Length
0.250 inches
Outside Diameter
1.875 inches
Thread Size
1 1/2-20
Aperture Diameter
1.451 inches
End Application
Gun sight mk15
Screw Thread Series Designator
Uns
Thread Location
Internal
Internal Flange Thickness
0.125 inches
Knurled Periphery
Not provided
Material
Steel
Material
Steel
FSC
6650 Components And Accessories Test Equipment Optical Instruments
NIIN
003825646
NSN
6650003825646

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
417188PC3
Cage Code:
53711
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 9018500000
  • NAICS: 339115
  • SITC: 87225
  • Description: Other ophthalmic instruments and appliances and parts and accessories
  • End Use (Code 21610):
    Medicinal equipment

Q & A

Frequently asked questions for NSN 6650-00-382-5646
What are the manufacturers of nsn 6650003825646?
Does this nsn 6650003825646 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6650003825646
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 6650003825646 contain any precious metals?
No precious metal content.
Does nsn 6650003825646 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6650003825646?
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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