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Optical Element Retaining Ring NSN 6650-00-938-6117

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 6650-00-938-6117 NSN: 6650-00-938-6117

Features and Characteristics

Groove Diameter
2.874 inches
Overall Length
0.245 inches
Outside Diameter
3.312 inches
Aperture Diameter
2.774 inches
Inner Groove Width
0.0500 inches
Mounting Configuration
Four 2-56nc-2b holes 0.185 in. Deep
Internal Flange Thickness
0.070 inches
Groove Location
Inside face of flange
Knurled Periphery
Not provided
Material
Plastic
Material
Plastic
Surface Treatment
Painted
FSC
6650 Components And Accessories Test Equipment Optical Instruments
NIIN
009386117
NSN
6650009386117

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2076276
Cage Code:
10001
Status:
A
MSDS:
Part Number:
BUWEPSDWG2076276
Cage Code:
36090
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 6650-00-938-6117
What are the manufacturers of nsn 6650009386117?
Does this nsn 6650009386117 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6650009386117
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 6650009386117 contain any precious metals?
No precious metal content.
Does nsn 6650009386117 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6650009386117?
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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