Optical Element Cell NSN 1270-01-171-6926

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: 1270-01-171-6926

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Features and Characteristics

Thread Class

Thread Pitch Diameters

+1.8338/+1.8388 inches

Thread Direction

Right-hand

Thread Length

0.210 inches

Overall Length

3.400 inches

Thread Size

1.850-40

Overall Diameter

Between 1.950 inches and 1.960 inches

Screw Thread Series Designator

Uns

Drive Type

Drilled hole on periphery

Thread Location

Internal

Eccentric Construction

Not provided

Chamfer Location

Internal thread end

Chamfer Size

0.015 in.By 45 deg

Element Securing Method

Retainer ring

Material

Cres, astm a582, type 416

Material

Cres, astm a582, type 416

Surface Treatment

Black oxide, mil-c-13924, class 3

Surface Treatment

Black oxide, mil-c-13924, class 3

FSC

1270 Aircraft Gunnery Fire Control Components

NIIN

011716926

NSN

1270011716926

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

13074694

Cage Code:

04939

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 1270-01-171-6926

What are the manufacturers of nsn 1270011716926?

Lockheed Martin Corporation (04939)
Program Manager Advanced Attack (58260)

Does this nsn 1270011716926 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 1270011716926
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 1270011716926 contain any precious metals?
No precious metal content.

Does nsn 1270011716926 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 1270011716926?
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:

What do you get when you order from nationalstocknumber.org?

On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service