Optical Instrument Cell Assembly NSN 1240-00-498-6373

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: 1240-00-498-6373

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Features and Characteristics

Thread Class

2a and 2b

Thread Direction

Right-hand and right-hand

Thread Length

0.270 inches and 0.150 inches

Overall Length

Between 1.552 inches and 1.562 inches

Thread Size

2.562-32 and 2.406-32

Overall Diameter

2.562 inches

Screw Thread Series Designator

Uns and uns

Accessory Components And Quantity

Retainer 1, spacer 1

Thread Location

External and internal

Eccentric Construction

Not provided

Cell Controlling Agency

Frankford arsenal

Cell Identifying Number

10553192 part no.

Optical Element Quantity

Optical Element Type

Compound lens and single lens

Optical Element Controlling Agency

Frankford arsenal

Optical Element Identifying Number

8624664 part no. And 8624665 part no.

Special Features

Ecell surface treatment mil-a-8625, type 2, class 2, dyed black. Chamfer 0.031 in. By 45 degrees on internal thd end. Two sets of four each 0.125 dia. Holes, equally spaced on periphery. Slotted face drive.

Fsc Application Data

Telescope, articulated m127

FSC

1240 Optical Sighting And Ranging Equipment

NIIN

004986373

NSN

1240004986373

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

10553191

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 1240-00-498-6373

What are the manufacturers of nsn 1240004986373?

Us Army Ardec Rdecom (19200)

Does this nsn 1240004986373 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 1240004986373
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 1240004986373 contain any precious metals?
No precious metal content.

Does nsn 1240004986373 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 1240004986373?
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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