4820-01-503-2497

Find complete technical information, availability, and procurement data for: 4820-01-503-2497
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-503-2497

Item Name Code

46202

Assigment Date

12/10/2002 (23 years ago)

A nonvehicular device designed to increase, decrease, and/or reverse the rotation between the drive and driven shaft or shafts. It may or may not include the shifting control mechanism which changes ratios and/or direction of rotation. Excludes:transmission,cross-drive and transmissions with controlled differentials.

hydraulic and manual valve operation method, 8.870 inches maximum overall length, 2 valve quantity, seawolf class ssn end item identification, 5.000 inches nominal overall width

Product Characteristics

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

Overall Length: 8.870 inches maximum
Overall Width: 5.000 inches nominal
End Item Identification: seawolf class ssn
Valve Operation Method: hydraulic and manual
Valve Quantity: 2
Body Material: aluminum alloy 6061
Part Name Assigned By Controlling Agency: restrictor valve assy
Special Features: this quiet variable restrictor valve assembly has 2 valves: a restrictor valve and a check valve;operating pressure is 3000 psig; flow is 0.1 to 5 gpm at 75 psid min and 3300 psid max with fluid viscosity at atmospheric pressure between 73 and 77 centistokes; manually close assembly by turning adjust screw counterclockwise; has 4 helical coil inserts in body iaw ms124699 (.4375-20unf-3b) and 2 helical coil inserts in end cap iaw ms124696 (.250-28unf-3b); assembly may be mounted in any position w/o adversely affecting operation; media is hydraulic fluid; key component of this valve assembly is p/n 21270-801-1 quiet element which provides for extremely quiet operation

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
21270-001	Manifold Valve Assembly

FAQs

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

What is the FSCG of the NSN 4820-01-503-2497?

The FSCG of the NSN 4820-01-503-2497 is 4820

Does the NSN 4820-01-503-2497 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-503-2497 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 4820-01-503-2497 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-503-2497 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 4820-01-503-2497 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Tue, Dec 10, 2002