M637

View detailed technical data, stock status, and sourcing information for: M637
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Federal Supply Group

Fire Control Equipment

Federal Supply Classification

1240 Optical Sighting and Ranging Equipment

National Stock Number

1240-01-691-5144

Item Name Code

22603

Assigment Date

10/14/2020 (5 years ago)

A tapered tube-like accessory designed to be attached to the nose cone of a mechanical pipet. It is generally made of nonwetting material and is used to pick up and expel liquids with precision and accuracy during laboratory and clinical testing.

adjustable focusing type, 59.0 millimeters nominal objective aperture diameter, 2.5x:41.8 ft. 20x: 7.0 ft. field view coverage, lens optical device type, included diopter scale

Product Characteristics

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

Focusing Type: adjustable
Field View Coverage: 2.5x:41.8 ft. 20x: 7.0 ft.
Optical Device Type: lens
Diopter Scale: included
Objective Aperture Diameter: 59.0 millimeters nominal
Magnification Type: variable
Magnification: 2.5 minimum and 20.0 maximum
Straight Type Overall Length: 305.0 millimeters nominal
Scale Markings: provided
Part Name Assigned By Controlling Agency: riflescope

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
M637	Sight Unit

FAQs

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

What is the FSCG of the NSN 1240-01-691-5144?

The FSCG of the NSN 1240-01-691-5144 is 1240

Does the NSN 1240-01-691-5144 have a Schedule B code assigned?

Yes, the Schedule B code is 9803200000

Does NSN 1240-01-691-5144 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 1240-01-691-5144 contain precious materials?

Item does not contain precious metal.

Does NSN 1240-01-691-5144 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 1240-01-691-5144 was assigned to the Federal Catalog?

It was assigned 5 years ago, on Wed, Oct 14, 2020