4820-01-249-6752

Find complete technical information, availability, and procurement data for: 4820-01-249-6752
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-249-6752

Item Name Code

05488

Assigment Date

02/14/1987 (39 years ago)

A self-acting valve specifically designed for use in refrigeration systems for continual control of rate of flow of refrigerant. It may be actuated by a thermostatic element or self-actuated.

spring disk loading method, 275.0 fahrenheit single response maximum operating temp, disk flow control device, right-hand all ends thread direction, 2b all ends 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: 2b all ends
Thread Direction: right-hand all ends
Flow Control Device: disk
Disk Loading Method: spring
Maximum Operating Temp: 275.0 fahrenheit single response
Connection Style: gasket seal(boss) all ends
Valve Operation Method: automatic
Connection Type: threaded internal boss all ends
Thread Quantity Per Inch: 12 all ends
Maximum Operating Pressure: 2300.0 pounds per square inch single response
Nominal Thread Size: 1.625 inches all ends
Opening Pressure Setting: 1800.0 pounds per square inch
Special Features: valve size 1.250 in.
Material: steel corrosion resisting body
Media For Which Designed: fuel/oil, hydrocarbon single response
Style Designator: angle
Thread Series Designator: un all ends

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
1503-1850	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-249-6752?

The FSCG of the NSN 4820-01-249-6752 is 4820

Does the NSN 4820-01-249-6752 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-249-6752 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 4820-01-249-6752 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-249-6752 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 4820-01-249-6752 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sat, Feb 14, 1987