Optical Instrument Cell Assembly NSN 1240-00-698-5344

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: 1240-00-698-5344

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Features and Characteristics

Thread Pitch Diameters

+1.5996 to 1.6047 inches

Thread Direction

Right-hand

Thread Length

0.110 inches

Overall Length

Between 0.365 inches and 0.385 inches

Thread Size

1.625 in.-32

Overall Diameter

Between 1.680 inches and 1.690 inches

Screw Thread Series Designator

Uns

Thread Location

External

Eccentric Construction

Not provided

Cell Controlling Agency

Frankford arsenal

Cell Identifying Number

7679538 part no.

Optical Element Quantity

Optical Element Type

Optical glass window

Optical Element Controlling Agency

Frankford arsenal

Optical Element Identifying Number

7679539 part no.

Material

Aluminum alloy, ww-t-700/3, t3

Material

Aluminum alloy 2024

Material Specification

Ww-t-700/3, t3 federal specification single material response

Supplementary Features

Cell surface treatment, anodized, mil-a-8625, type 2, class 2, black. Chamfer 0.062 in. By 45 degrees opposite thread end. Knurl drive type. Optical element bonded. Two 0.063 in. Diameter holes spaced 180 degrees apart on periphery of knurl end.

Fsc Application Data

Periscope, tank m20 series

FSC

1240 Optical Sighting And Ranging Equipment

NIIN

006985344

NSN

1240006985344

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

8242545

Cage Code:

03829

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 1240-00-698-5344

What are the manufacturers of nsn 1240006985344?

General Scientific Corporation (03829)
Seiler Instrument And Manufacturing (11934)
Us Army Ardec Rdecom (19200)

Does this nsn 1240006985344 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 1240006985344
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 1240006985344 contain any precious metals?
Precious metal content is unknown.

Does nsn 1240006985344 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 1240006985344?
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
Quality Fast Service