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Optical Element Retaining Ring NSN 1240-01-068-2422

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 1240-01-068-2422 NSN: 1240-01-068-2422

Features and Characteristics

Thread Pitch Diameters
+3.4820/+3.4867 inches
Thread Direction
Right-hand
Outside Diameter
3.750 inches
Thread Size
3 1/2-36
Aperture Diameter
Between 3.470 inches and 3.477 inches
Screw Thread Series Designator
Uns
Thread Location
Internal
Internal Flange Thickness
0.030 inches
Knurled Periphery
Not provided
Material
Steel, stainless
Material
Stainless steel
Surface Treatment
Passivated, mil-f-14072, finish e300
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
010682422
NSN
1240010682422

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12266932
Cage Code:
19207
Status:
A
MSDS:
Part Number:
048132
Cage Code:
34228
Status:
A
MSDS:
Part Number:
957C048132
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: 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 1240-01-068-2422
What are the manufacturers of nsn 1240010682422?
Does this nsn 1240010682422 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240010682422
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 1240010682422 contain any precious metals?
No precious metal content.
Does nsn 1240010682422 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240010682422?
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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