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Optical Element Retaining Ring NSN 6650-00-113-2971

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 6650-00-113-2971 NSN: 6650-00-113-2971

Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Thread Length
0.040 inches
Overall Length
0.425 inches
Outside Diameter
1.396 inches
Thread Size
1.219 in.-20
Aperture Diameter
0.866 inches
Screw Thread Series Designator
Uns
Mounting Configuration
Press fit
Thread Location
Internal
Internal Flange Thickness
0.050 inches
Knurled Periphery
Not provided
Material
Brass
Material
Copper alloy
Surface Treatment
Black oxide
Fsc Application Data
Binocular m18 w/e
FSC
6650 Components And Accessories Test Equipment Optical Instruments
NIIN
001132971
NSN
6650001132971

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
10553236
Cage Code:
19200
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 6650-00-113-2971
What are the manufacturers of nsn 6650001132971?
Does this nsn 6650001132971 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6650001132971
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 6650001132971 contain any precious metals?
No precious metal content.
Does nsn 6650001132971 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6650001132971?
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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