Optical Element Cell NSN 1240-00-618-1390

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: 1240-00-618-1390

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Features and Characteristics

Thread Class

2a and 2b

Thread Pitch Diameters

+2.4042 to 2.4090 inches and +2.2922 to 2.2978 inches

Thread Direction

Right-hand and right-hand

Thread Length

0.156 inches and 0.172 inches

Overall Length

Between 0.770 inches and 0.780 inches

Thread Size

2-7/16 in.-24 and 2-5/16 in.-32

Overall Diameter

2.438 inches

Screw Thread Series Designator

Uns and uns

Drive Type

Slotted face

Thread Location

External and internal

Eccentric Construction

Not provided

Chamfer Location

Opposite drive end

Chamfer Size

0.010 in. By 45 deg

Element Securing Method

Threaded ring

Material

Aluminum alloy, ww-t-700/6, t4 or t6, type 1

Material

Aluminum alloy, ww-t-700/6, t4 or t6, type 1

Surface Treatment

Anodized, mil-a-8625, type 2

Fsc Application Data

Periscope, battery command

FSC

1240 Optical Sighting And Ranging Equipment

NIIN

006181390

NSN

1240006181390

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

6181390

Cage Code:

19200

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 1240-00-618-1390

What are the manufacturers of nsn 1240006181390?

Us Army Ardec Rdecom (19200)

Does this nsn 1240006181390 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 1240006181390
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 1240006181390 contain any precious metals?
No precious metal content.

Does nsn 1240006181390 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 1240006181390?
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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