4820-00-045-7041

Find complete technical information, availability, and procurement data for: 4820-00-045-7041
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-045-7041

Item Name Code

37648

Assigment Date

05/09/1967 (59 years ago)

A metallic, threaded, screw-shaped item used in hydraulic brake cylinders, hydraulic power units, missile launching hydraulic systems, and the like, for the purpose of providing a means of releasing air form and/or flushing a hydraulic system. It may be furnished with or without a dust cap. Excludes:spring loaded or automatic type air pressure relief valves, and bolt, fluid passage.

ball flow control device, 300.0 fahrenheit single response maximum operating temp, right-hand 1st end thread direction, beaded (hose) 2nd end connection style, 3a 1st end 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: 3a 1st end
Thread Direction: right-hand 1st end
Flow Control Device: ball
Maximum Operating Temp: 300.0 fahrenheit single response
Connection Style: beaded (hose) 2nd end
Connection Style: flared (tube) 1st end
Valve Operation Method: manual
Connection Type: threaded external tube 1st end
Connection Type: unthreaded external hose 2nd end
Nominal Thread Size: 0.500 inches 1st end
Seat Angle: 37.0 degrees 1st end
Face To Face Distance: 1.460 inches
Nominal Inside Diameter Hose Accommodated: 0.188 inches 2nd end
Special Features: drilled for safety wire holes
Material: steel overall
Media For Which Designed: hydraulic fluid, petroleum base single response
Thread Series Designator: unf 1st end

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
CVC4202	Hydraulic System Bleeder Valve
CVC4202-2	Hydraulic System Bleeder Valve

FAQs

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

What is the FSCG of the NSN 4820-00-045-7041?

The FSCG of the NSN 4820-00-045-7041 is 4820

Does the NSN 4820-00-045-7041 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-045-7041 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 4820-00-045-7041 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-045-7041 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 4820-00-045-7041 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Tue, May 9, 1967