Optical Instrument Cell Assembly NSN 1240-00-457-0550

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: 1240-00-457-0550

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Features and Characteristics

Thread Class

2b and 3b

Thread Direction

Right-hand and right-hand

Thread Length

0.204 inches and 1.619 inches

Overall Length

Between 2.276 inches and 2.281 inches

Thread Size

1.812-32 and 2.125-32

Overall Diameter

Between 2.373 inches and 2.374 inches

Screw Thread Series Designator

Uns and uns

Accessory Components And Quantity

Retaining ring 1

Thread Location

Internal and internal

Eccentric Construction

Not provided

Cell Controlling Agency

Frankford arsenal

Cell Identifying Number

7632831 part no.

Optical Element Quantity

Optical Element Type

Compound lens

Optical Element Controlling Agency

Frankford arsenal

Optical Element Identifying Number

7632702 part no.

Special Features

Chamfer 0.015 in. By 45 degrees on both ends. Two 0.104 diameter holes spaced 180 degrees on periphery for drive facility. One no. 10-32nf-2 and two no. 5-44nf-2b thd holes on drive end periphery. Three no. 10-32nf-2b thd holes on periphery of end opposite drive end.

Material

Aluminum alloy

Material

Aluminum alloy

Fsc Application Data

Range finder, m12

FSC

1240 Optical Sighting And Ranging Equipment

NIIN

004570550

NSN

1240004570550

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

7632830

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 1240-00-457-0550

What are the manufacturers of nsn 1240004570550?

Us Army Ardec Rdecom (19200)

Does this nsn 1240004570550 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 1240004570550
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 1240004570550 contain any precious metals?
Precious metal content is unknown.

Does nsn 1240004570550 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 1240004570550?
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:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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