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Optical Element Retaining Ring NSN 6650-01-122-0074

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 6650-01-122-0074 NSN: 6650-01-122-0074

Features and Characteristics

Thread Class
2b and 2b and 2b
Thread Pitch Diameters
+0.1910/+0.2110 inches and +0.1390/+0.1590 inches and +0.3020/+0.3220 inches
Thread Direction
Right-hand and right-hand and right-hand
Outside Diameter
3.000 inches
Thread Size
1/4-20 and 10-24 and 3/8-16
Aperture Diameter
1.875 inches
Screw Thread Series Designator
Unc and unc and unc
Thread Location
Internal
Internal Flange Thickness
0.250 inches
Knurled Periphery
Provided
Material
Aluminum alloy, 6061
Material
Aluminum alloy 6061
Surface Treatment
Anodized, mil-a-8625, type 2, class 2
FSC
6650 Components And Accessories Test Equipment Optical Instruments
NIIN
011220074
NSN
6650011220074

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
044430
Cage Code:
34228
Status:
A
MSDS:
Part Number:
C044430
Cage Code:
34228
Status:
A
MSDS:
Part Number:
882C044430
Cage Code:
34228
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 6650-01-122-0074
What are the manufacturers of nsn 6650011220074?
Does this nsn 6650011220074 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6650011220074
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 6650011220074 contain any precious metals?
No precious metal content.
Does nsn 6650011220074 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6650011220074?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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