4820-01-289-1012

Find complete technical information, availability, and procurement data for: 4820-01-289-1012
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-289-1012

Item Name Code

05493

Assigment Date

11/17/1988 (37 years ago)

A valve specifically designed for installation in an air brake system. It is used on trailers, long wheel base vehicles, as well as multiple rear axle vehicles. It serves to speed and synchronize the application and release of air operated service or parking brakes. It may include emergency features for trailer application.

180.000 inches nominal capillary tube length, refrigerant 22 media for which designed, refrigerant r-502 media for which designed, 30.0 fahrenheit temp rating, refrigerant 12 media for which designed

Product Characteristics

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

Temp Rating: 30.0 fahrenheit
Media For Which Designed: refrigerant 12
Media For Which Designed: refrigerant r-502
Media For Which Designed: refrigerant 22
Capillary Tube Length: 180.000 inches nominal
Valve Expansion Control Type: thermostatic
Valve Evaporator Temp Range Designation: high
Valve Equalizer Location: internal
Material: copper alloy body

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
025-14283	Expansion Valve
025-14283-000	Expansion Valve

FAQs

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

What is the FSCG of the NSN 4820-01-289-1012?

The FSCG of the NSN 4820-01-289-1012 is 4820

Does the NSN 4820-01-289-1012 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-289-1012 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 4820-01-289-1012 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-289-1012 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 4820-01-289-1012 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, Nov 17, 1988