4820-01-494-3494

Find complete technical information, availability, and procurement data for: 4820-01-494-3494
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-494-3494

Item Name Code

05487

Assigment Date

02/08/2002 (24 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

socket (tube) 1st end connection style, ball flow control device, socket (tube) 2nd end connection style, spring disk loading method, nsn 4120-01-449-0459 air conditioner end item identification

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: ball
Disk Loading Method: spring
End Item Identification: nsn 4120-01-449-0459 air conditioner
Connection Style: socket (tube) 1st end
Connection Style: socket (tube) 2nd end
Valve Operation Method: automatic
Connection Type: unthreaded internal tube 1st end
Connection Type: unthreaded internal tube 2nd end
Mounting Position: horizontal or vertical
Nominal Outside Diameter Tube Accommodated: 0.500 inches 2nd end
Nominal Outside Diameter Tube Accommodated: 0.625 inches 1st end
Special Features: 500psig working pressure rated at 86 degrees f. liquid and 5 degrees f. evaporator.
Material: copper alloy seat
Material: copper body
Material: copper flow control device
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
274037-13	Check Valve
274150-00	Check Valve
9454217	Check Valve
AF-9454217	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-494-3494?

The FSCG of the NSN 4820-01-494-3494 is 4820

Does NSN 4820-01-494-3494 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4820-01-494-3494 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-494-3494 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 4820-01-494-3494 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Fri, Feb 8, 2002