Optical Element Cell NSN 1240-00-504-8251

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: 1240-00-504-8251

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Features and Characteristics

Thread Class

3b and 3a

Thread Length

0.438 inches and 0.312 inches

Overall Height

0.609 inches

Thread Size

0.723-48 and 0.825-48

Overall Diameter

0.825 inches

Screw Thread Series Designator

Uns and uns

Drive Type

Slotted face

Thread Location

Internal and external

Eccentric Construction

Not provided

Chamfer Location

Both ends

Chamfer Size

0.01 in. By 45 deg

Element Securing Method

Threaded ring

Material

Brass, mil-b-13492, comp 1-canceled

Material

Brass, mil-b-13492, comp 1-canceled

Surface Treatment

Oxide

Surface Treatment

Black oxide

Fsc Application Data

Telescope m7, integrated with fire control

FSC

1240 Optical Sighting And Ranging Equipment

NIIN

005048251

NSN

1240005048251

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

5048251

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 1240-00-504-8251

What are the manufacturers of nsn 1240005048251?

Us Army Ardec Rdecom (19200)

Does this nsn 1240005048251 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 1240005048251
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 1240005048251 contain any precious metals?
Precious metal content is unknown.

Does nsn 1240005048251 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 1240005048251?
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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