4820-01-449-6402

Find complete technical information, availability, and procurement data for: 4820-01-449-6402
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-449-6402

Item Name Code

05487

Assigment Date

10/08/1997 (28 years ago)

An item designed to restrict the movement of a rotary mechanism, linear mechanism or its components. It protects a mechanism from loss of adjustment or damage due to extreme movement. It may be wedge shaped with a threaded shank projecting from the apex or it may be round or rectangular in cross section, with mounting holes or slots, and is usually longer than its width. Excludes:key, machine, and bumper (as modified).

200.0 fahrenheit single response maximum operating temp, poppet flow control device, right-hand 1st end thread direction, spring disk loading method, 2a 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: 2a 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 200.0 fahrenheit single response
End Item Identification: 4920-01-347-1666; supprot equipment, (se), b-2 bomber aircraft
Connection Style: external seat for gasket seal (boss) 1st end
Valve Operation Method: automatic
Connection Type: threaded cartridge 1st end
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 12 1st end
Maximum Operating Pressure: 3500.0 pounds per square inch single response
Nominal Thread Size: 1.313 inches 1st end
Opening Pressure Setting: 5.000 pounds per square inch
Material: steel overall
Style Designator: screw-in cartridge
Thread Series Designator: un 1st end
Furnished Items And Quantity: 2 gasket

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
CV161P	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-449-6402?

The FSCG of the NSN 4820-01-449-6402 is 4820

Does the NSN 4820-01-449-6402 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-449-6402 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 4820-01-449-6402 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-449-6402 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 4820-01-449-6402 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Wed, Oct 8, 1997