4820-01-440-5668

Find complete technical information, availability, and procurement data for: 4820-01-440-5668
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-440-5668

Item Name Code

05481

Assigment Date

01/16/1997 (29 years ago)

A mechanical device designed to permit a free flow of air into and out of an enclosure, usually used on engine crankcase, vehicular differentials and transmissions, pumps, compressors, and the like. See also cap, vent, fuel storage tank. Excludes:ventalator (as modified).

unthreaded internal pipe 1st end connection type, 3.000 inches 1st end nominal pipe size accommodated, automatic valve operation method, ball flow control device, socket 1st end connection style

Product Characteristics

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

Nominal Pipe Size Accommodated: 3.000 inches 1st end
Flow Control Device: ball
Connection Style: socket 1st end
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe 1st end
Special Features: operates as inverted vent check valve
Material: aluminum body
Style Designator: straight thru
Furnished Items And Quantity: 1 filter screen and 1 float

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
3-1750WAASS	Float Valve

FAQs

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

What is the FSCG of the NSN 4820-01-440-5668?

The FSCG of the NSN 4820-01-440-5668 is 4820

Does the NSN 4820-01-440-5668 have a Schedule B code assigned?

Yes, the Schedule B code is 8481805090

Does NSN 4820-01-440-5668 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 4820-01-440-5668 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-440-5668 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 4820-01-440-5668 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Thu, Jan 16, 1997