4820-00-006-1638

Find complete technical information, availability, and procurement data for: 4820-00-006-1638
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-006-1638

Item Name Code

27489

Assigment Date

06/16/1972 (54 years ago)

A device designed to regulate vacuum within the desired operating limits. See also valve, vacuum breaking.

threaded internal pipe first end connection type, 165.0 fahrenheit temp rating, plain first end style designator, straight thru body style, -65.0 fahrenheit temp rating

Product Characteristics

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

Body Style: straight thru
Temp Rating: -65.0 fahrenheit
Temp Rating: 165.0 fahrenheit
First End Connection Type: threaded internal pipe
First End Style Designator: plain
First End Nominal Pipe Size Accommodated: 0.250 inches
First End Thread Class: 3a
First End Thread Direction: right-hand
Second End Relationship With First End: identical
Flow Control Device: diaphragm
Flow Control Device Material: unable to decode
End Connection Quantity: 2
Temp Adjustability: not adjustable
First End Thread Series Designator: npt
Body Material: copper alloy
First End Nominal Thread Size: 0.250 inches

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
16-001-022	Vacuum Regulating Valve
44-3010-24	Vacuum Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-00-006-1638?

The FSCG of the NSN 4820-00-006-1638 is 4820

Does the NSN 4820-00-006-1638 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-006-1638 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 4820-00-006-1638 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-006-1638 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 4820-00-006-1638 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Jun 16, 1972