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Optical Element Cell NSN 1240-00-197-1755

Item Description

A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. Includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.

NSN 1240-00-197-1755 NSN: 1240-00-197-1755

Features and Characteristics

Thread Class
2a and 2b
Thread Length
0.156 inches and 0.187 inches
Overall Length
1.900 inches
Thread Size
1-11/16 in.-32 and 1-21/32 in.-32
Overall Diameter
1.811 inches
Screw Thread Series Designator
Uns and uns
Drive Type
Drilled face
Thread Location
External and internal
Eccentric Construction
Not provided
Chamfer Location
Both ends
Chamfer Size
1/32 in. By 45 deg
Element Securing Method
Threaded ring
Material
Aluminum alloy, ww-t-785, t3-canceled
Material
Aluminum alloy 2024
Surface Treatment
Anodized black
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
001971755
NSN
1240001971755

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8289225
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 1240-00-197-1755
What are the manufacturers of nsn 1240001971755?
Does this nsn 1240001971755 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240001971755
A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.
Does nsn 1240001971755 contain any precious metals?
Precious metal content is unknown.
Does nsn 1240001971755 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240001971755?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
21859
FIIG:
T271-J
App. Key:
JB
Cond. Code:
2
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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