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Optical Instrument Cell Assembly NSN 1240-00-111-5294

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 1240-00-111-5294 NSN: 1240-00-111-5294

Features and Characteristics

Thread Class
2b and 3a
Thread Pitch Diameters
+1.9037 to 1.9091 inches and +2.1647 to 2.1678 inches
Thread Direction
Right-hand and right-hand
Thread Length
0.3125 inches and 0.8435 inches
Thread Size
1.938-32 and 2.188-32
Screw Thread Series Designator
Uns and uns
Thread Location
Internal and external
Eccentric Construction
Not provided
Optical Element Quantity
2 and 1
Optical Element Type
Compound lens and reticle
Optical Element Controlling Agency
Usaarrcom and usaarrcom and usaarrcom
Optical Element Identifying Number
8289260 drawing no. And 8289259 drawing no. And 8289260 drawing no.
Material
Steel, corrosion resisting and glass, optical, mil-g-174, class 1, grade c
Material
Stainless steel and glass optical
Material Specification
Mil-g-174, class 1, grade c military specification 2nd material response
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
001115294
NSN
1240001115294

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
10552857
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 1240-00-111-5294
What are the manufacturers of nsn 1240001115294?
Does this nsn 1240001115294 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240001115294
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 1240001115294 contain any precious metals?
No precious metal content.
Does nsn 1240001115294 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240001115294?
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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