4820-00-322-8898

Find complete technical information, availability, and procurement data for: 4820-00-322-8898
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-322-8898

Item Name Code

05487

Assigment Date

11/18/1973 (52 years ago)

A brake consisting essentially of the following: a. A single piece or divided cylinder housing designed to be mounted on the torque flange of an axle. The cylinder housing has a slot or groove through which the disk, brake passes. It contains a piston(s) or push rod(s) which provides the hydraulic or mechanical force to press the lining, friction against the disk, brake. B. Lining, friction. C. A disk, brake designed to be keyed or rigidly attached to a wheel or rotating shaft.

2a 1st end thread class, 2a 2nd end thread class, right-hand 1st end thread direction, right-hand 2nd end thread direction, disk flow control device

Product Characteristics

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

Thread Class: 2a 1st end
Thread Class: 2a 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: disk
Disk Loading Method: spring
Connection Style: external seat for gasket seal (boss) 2nd end
Connection Style: gasket seal (tube) 1st end
Valve Operation Method: automatic
Connection Type: threaded external boss 2nd end
Connection Type: threaded external tube 1st end
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 12 1st end
Thread Quantity Per Inch: 12 2nd end
Nominal Thread Size: 1.625 inches 1st end
Nominal Thread Size: 1.312 inches 2nd end
Material: aluminum overall
Style Designator: straight thru
Thread Series Designator: un 1st end
Thread Series Designator: un 2nd 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
2680230-16	Check Valve
2C9236	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-322-8898?

The FSCG of the NSN 4820-00-322-8898 is 4820

Does the NSN 4820-00-322-8898 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-322-8898 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 4820-00-322-8898 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-322-8898 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 4820-00-322-8898 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sun, Nov 18, 1973