Optical Element Cell NSN 1240-01-257-9643

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: 1240-01-257-9643

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Overall Length

0.140 inches

Thread Size

000-120

Overall Diameter

1.248 inches

End Application

1260-01-208-6448 mast

Screw Thread Series Designator

Unf

Thread Location

Internal

Eccentric Construction

Not provided

Chamfer Location

Both ends

Chamfer Size

0.010 in. By 15 deg

Element Securing Method

Internal thread

Material

Steel

Material

Steel

FSC

1240 Optical Sighting And Ranging Equipment

NIIN

012579643

NSN

1240012579643

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

350311

Cage Code:

22915

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 1240-01-257-9643

What are the manufacturers of nsn 1240012579643?

Northrop Grumman Corp (22915)

Does this nsn 1240012579643 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 1240012579643
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 1240012579643 contain any precious metals?
No precious metal content.

Does nsn 1240012579643 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 1240012579643?
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
Quality Fast Service