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Diopter Scale NSN 1240-01-292-0970

Item Description

A graduated scale, usually cylindrical in shape, attached to, or forming a part of, the focusing nut or knob of the eyepiece of an optical instrument. It is read in conjunction with a line or dart indicator to measure the change in refracting power of the eyepiece, in diopters, and introduces correction to compensate for the eyesight variation of the observer. It may have a knurled periphery and/or teeth on the inside diameter.

NSN 1240-01-292-0970 NSN: 1240-01-292-0970

Features and Characteristics

Inside Diameter
0.500 inches
Overall Height
0.953 inches
Scale Division Quantity
100
Overall Outside Diameter
1.406 inches
Inscription Color
Black
Mounting Configuration
Press fit
Scale Unit Of Measure Inscription
Degrees 0 to 90
Material
Aluminum alloy, qq-a-200/3, alloy 2024, t4 or aluminum alloy, qq-a-200/8, 6061, t6
Material
Aluminum alloy 2024 or aluminum alloy 6061
Material Specification
Qq-a-200/3, alloy 2024, t4 federal specification 1st material response and qq-a-200/8, 6061, t6 federal specification 2nd material response
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
012920970
NSN
1240012920970

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8270282
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: 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 1240-01-292-0970
What are the manufacturers of nsn 1240012920970?
Does this nsn 1240012920970 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240012920970
A graduated scale, usually cylindrical in shape, attached to, or forming a part of, the focusing nut or knob of the eyepiece of an optical instrument. it is read in conjunction with a line or dart indicator to measure the change in refracting power of the eyepiece, in diopters, and introduces correction to compensate for the eyesight variation of the observer. it may have a knurled periphery and/or teeth on the inside diameter.
Does nsn 1240012920970 contain any precious metals?
No precious metal content.
Does nsn 1240012920970 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240012920970?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
21868
FIIG:
T275-A
App. Key:
AA
Cond. Code:
2
Status:
A

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  •   Certificate of Conformance
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