1650-00-781-4950

Find complete technical information, availability, and procurement data for: 1650-00-781-4950
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Federal Supply Group

Aerospace Craft Components and Accessories

Federal Supply Classification

1650 de-Icing System Components, Vacuum and Aircraft Hydraulic

National Stock Number

1650-00-781-4950

Item Name Code

20977

Assigment Date

01/01/1960 (66 years ago)

An item constructed of one or more layers of thin flexible material, either laminated or separated, designed to form a tight seal between the chambers of a valve, and to transmit pressure inducted motion to a valve disk either directly or through a mechanical linkage. The surface of the item must be formed or molded to have a beaded or rolled edge, ribs or any other raised surfaces. The item may contain bolt holes and/or center holes. Excludes:diaphra gm, valve, flat and gasket.

20.300 inches nominal overall length, 54.000 cubic inches cubic capacity, 46.000 cubic inches maximum fluid volume, 2.810 inches nominal overall diameter, 3a thread class

Product Characteristics

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

Thread Class: 3a
Overall Length: 20.300 inches nominal
Overall Diameter: 2.810 inches nominal
Cubic Capacity: 54.000 cubic inches
Maximum Fluid Volume: 46.000 cubic inches
Separator Type: piston
Bleeder Opening: not included
Port Screw Thread Diameter: 0.500 inches minimum and 0.750 inches maximum
Port Screw Thread Quantity Per Inch: 20.000 and 16.000
Port Screw Thread Series Designator: unf
Operating Pressure: 3000.000 pounds per square inch nominal
Special Features: pending user coordination this item to be stocked with 1650-00-640-8491 sos is fhz
Material: aluminum alloy
Shape: cylindrical

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
MS28797-2	Hydraulic Accumulator

FAQs

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

What is the FSCG of the NSN 1650-00-781-4950?

The FSCG of the NSN 1650-00-781-4950 is 1650

Does the NSN 1650-00-781-4950 have a Schedule B code assigned?

Yes, the Schedule B code is 8479899865

Does NSN 1650-00-781-4950 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 1650-00-781-4950 contain precious materials?

Item does not contain precious metal.

Does NSN 1650-00-781-4950 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 1650-00-781-4950 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960