6650-00-070-0998

Find complete technical information, availability, and procurement data for: 6650-00-070-0998
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6650 Components and Accessories Test Equipment Optical Instruments

National Stock Number

6650-00-070-0998

Item Name Code

21883

Assigment Date

07/13/1967 (59 years ago)

An item, usually made of glass, having fine wires or hairs, or etched or printed fine lines on a surface, and placed in the focal plane of an optical instrument to establish a reference point to the axis for the purpose of aiming, measuring, ranging, and the like. Excludes:lens, optical instrument.

2.2950 inches minimum and 2.3000 inches maximum diameter, 0.240 inches minimum and 0.250 inches maximum axial thickness, 45.0 angle in deg, 1.5230 nominal and 1.5838 nominal refraction index, 100 to 0 to 100 mils scale calibration

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Diameter: 2.2950 inches minimum and 2.3000 inches maximum
Angle In Deg: 45.0
Scale Calibration: 100 to 0 to 100 mils
Axial Thickness: 0.240 inches minimum and 0.250 inches maximum
Refraction Index: 1.5230 nominal and 1.5838 nominal
Dispersion: 58.6 angstroms nominal and 46.0 angstroms nominal
Rim Finish: ground
Graduations/Markings: azimuth
Bevel Depth And Location: 0.0200 inches minimum both surfaces and 0.0300 inches maximum both surfaces
Material: glass optical
Style Designator: special design
Supplementary Features: material optical glass per mil-g-174, class 1, grade c, type 523-586 or 584-460
Fsc Application Data: collimator,infinity aiming reference

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
1240-00-070-0994	No Name Available	12/23/1968

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
6650000700998	Optical Instrument Reticle
8644292	Optical Instrument Reticle

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 6650-00-070-0998?

The FSCG of the NSN 6650-00-070-0998 is 6650

Does the NSN 6650-00-070-0998 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-070-0998 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 6650-00-070-0998 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-070-0998 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 6650-00-070-0998 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Thu, Jul 13, 1967