4820-00-874-4670

Find complete technical information, availability, and procurement data for: 4820-00-874-4670
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-874-4670

Item Name Code

05488

Assigment Date

11/03/1967 (58 years ago)

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes:packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

800.0 pounds per square inch single response maximum operating pressure, poppet flow control device, spring disk loading method, straight thru style designator, automatic valve operation method

Product Characteristics

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

Flow Control Device: poppet
Disk Loading Method: spring
Valve Operation Method: automatic
Maximum Operating Pressure: 800.0 pounds per square inch single response
Style Designator: straight thru

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
102-1412	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-874-4670?

The FSCG of the NSN 4820-00-874-4670 is 4820

Does the NSN 4820-00-874-4670 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-874-4670 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 4820-00-874-4670 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-874-4670 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 4820-00-874-4670 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Fri, Nov 3, 1967