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Optical Element Retaining Ring NSN 1240-00-682-8064

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 1240-00-682-8064 NSN: 1240-00-682-8064

Features and Characteristics

Thread Class
3b
Thread Pitch Diameters
+0.0625 to 0.7500 inches
Thread Direction
Right-hand
Thread Length
0.782 inches
Outside Diameter
3.060 inches
Thread Size
2 7/8-16
Aperture Diameter
2.375 inches
Screw Thread Series Designator
Un
Thread Location
Internal
Internal Flange Thickness
0.685 inches
Knurled Periphery
Not provided
Material
Steel, qq-s-764, type 303, cond a-canceled
Material
Steel comp 303
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
006828064
NSN
1240006828064

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8574785
Cage Code:
19200
Status:
A
MSDS:
Part Number:
1240006828064
Cage Code:
SCY13
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 1240-00-682-8064
What are the manufacturers of nsn 1240006828064?
Does this nsn 1240006828064 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240006828064
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 1240006828064 contain any precious metals?
No precious metal content.
Does nsn 1240006828064 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240006828064?
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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