Optical Element Cell NSN 1240-01-079-9839

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: 1240-01-079-9839

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Features and Characteristics

Thread Class

2b and 2a

Thread Pitch Diameters

+4.7917/+4.7983 inches and +4.8895/+4.8942 inches

Thread Direction

Right-hand and right-hand

Thread Length

4.812 inches and 4.916 inches

Overall Length

Between 4.874 inches and 4.875 inches

Overall Width

Between 2.620 inches and 2.640 inches

Thread Size

4.812-32 and 4.916-32

Overall Diameter

Between 5.088 inches and 5.090 inches

Screw Thread Series Designator

Uns and uns

Thread Location

External

Eccentric Construction

Not provided

Chamfer Location

Threaded end

Chamfer Size

0.030 in. By 45 deg

Material

Aluminum alloy

Material

Aluminum alloy

Surface Treatment

7.2.2 of mil-std-171

Surface Treatment

7.2.2 of mil-std-171

FSC

1240 Optical Sighting And Ranging Equipment

NIIN

010799839

NSN

1240010799839

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

12266782

Cage Code:

19207

Status:

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 1240-01-079-9839

What are the manufacturers of nsn 1240010799839?

U S Army Tank Automotive Command (19207)

Does this nsn 1240010799839 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 1240010799839
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 1240010799839 contain any precious metals?
No precious metal content.

Does nsn 1240010799839 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 1240010799839?
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:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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