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Optical Element Retaining Ring NSN 1240-01-092-6696

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 1240-01-092-6696 NSN: 1240-01-092-6696

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Features and Characteristics

Thread Class
2a
Thread Pitch Diameters
+4.3484/+4.3533 inches
Thread Direction
Right-hand
Groove Diameter
Between 0.083 inches and 0.103 inches
Thread Length
0.125 inches
Outside Diameter
Between 4.365 inches and 4.385 inches
Thread Size
4 3/8-32
Aperture Diameter
Between 4.035 inches and 4.045 inches
Inner Groove Width
Between 0.050 inches and 0.070 inches
Screw Thread Series Designator
Uns
Thread Location
External
Internal Flange Thickness
Between 0.115 inches and 0.135 inches
Groove Location
Inside face of flange
Knurled Periphery
Not provided
Material
Aluminum alloy
Material
Aluminum alloy
Surface Treatment
Chemical
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
010926696
NSN
1240010926696

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
11780078
Cage Code:
19200
Status:
A
MSDS:
Part Number:
42463-1
Cage Code:
09344
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 9803200000
  • NAICS: 990000
  • SITC: 93100
  • Description: Military equipments not identified by kind
  • End Use (Code 50060):
    Military apparel and footwear

Q & A

Frequently asked questions for NSN 1240-01-092-6696
What are the manufacturers of nsn 1240010926696?
Does this nsn 1240010926696 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240010926696
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 1240010926696 contain any precious metals?
No precious metal content.
Does nsn 1240010926696 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240010926696?
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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