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Optical Instrument Cell Assembly NSN 1240-00-864-0343

Item Description

An item consisting of a cell, optical element in which is secured one or more optical elements, such as lenses, reticles, filters, windows, and the like. May include retaining rings, spacers, and/or separators. For items with focusing facilities and/or a diopter scale, see eyepiece assembly, optical instrument.

NSN 1240-00-864-0343 NSN: 1240-00-864-0343

Features and Characteristics

Thread Class
2b and 2a
Thread Direction
Right-hand and right-hand
Thread Length
0.485 inches and 0.234 inches
Overall Length
0.870 inches
Thread Size
1.750-32 and 2.125-32
Overall Diameter
2.450 inches
Screw Thread Series Designator
Uns and uns
Accessory Components And Quantity
Packing preformed 2; retainer, optical element 1
Thread Location
External and internal
Eccentric Construction
Not provided
Cell Controlling Agency
Frankford arsenal
Cell Identifying Number
8615905 part no.
Optical Element Quantity
1
Optical Element Type
Optical glass window
Optical Element Controlling Agency
Frankford arsenal
Optical Element Identifying Number
8615947 part no.
Material
Steel, corrosion resisting
Material
Stainless steel
Fsc Application Data
Telescope, elbow
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
008640343
NSN
1240008640343

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8215808
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 1240-00-864-0343
What are the manufacturers of nsn 1240008640343?
Does this nsn 1240008640343 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240008640343
An item consisting of a cell, optical element in which is secured one or more optical elements, such as lenses, reticles, filters, windows, and the like. may include retaining rings, spacers, and/or separators. for items with focusing facilities and/or a diopter scale, see eyepiece assembly, optical instrument.
Does nsn 1240008640343 contain any precious metals?
No precious metal content.
Does nsn 1240008640343 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240008640343?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22197
FIIG:
T271-J
App. Key:
JA
Cond. Code:
2
Status:
A

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