1979771-1

View detailed technical data, stock status, and sourcing information for: 1979771-1
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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

6650-01-304-4254

Item Name Code

22451

Assigment Date

07/18/1989 (37 years ago)

A unit specifically designed for heating water by a direct fired method, utilizing electric heating element(s).

4.700 inches nominal shoulder diameter, 19.0 taper angle in deg, 4.950 inches nominal overall length, 3.100 inches nominal tapered hole minor diameter, 2.822 inches nominal shoulder length

Product Characteristics

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

Shoulder Diameter: 4.700 inches nominal
Shoulder Length: 2.822 inches nominal
Tapered Hole Minor Diameter: 3.100 inches nominal
Taper Angle In Deg: 19.0
Overall Length: 4.950 inches nominal
Guide Design: thread chamfer
Internal Annular Serration: not provided
Setscrew Notch: not provided
Flange Thread Size: 5.750 in.-16
Material: aluminum alloy 6061
Material Document And Classification: qq-a-225/8, t651 fed spec single material response
Style Designator: shouldered

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
1979771-1	Optical Element Retainer

FAQs

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

What is the FSCG of the NSN 6650-01-304-4254?

The FSCG of the NSN 6650-01-304-4254 is 6650

Does the NSN 6650-01-304-4254 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-01-304-4254 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 6650-01-304-4254 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-01-304-4254 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 6650-01-304-4254 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Tue, Jul 18, 1989