20QE401R

View detailed technical data, stock status, and sourcing information for: 20QE401R
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-149-3247

Item Name Code

77777

Assigment Date

03/18/1983 (43 years ago)

zinc alloy body,painted finish,one 0.750-14 npt thd port,two 0.500-14 npt thd port,one 0.250-14 npt thd port,one 0.125-27 npt thd port,two 0.410 in. dia mtg holes spaced 2.500 in. c to c,exhaust opening w/baffle in bottom of valve,4.188 in. o/a body h general characteristics item description

Product Characteristics

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

General Characteristics Item Description: zinc alloy body,painted finish,one 0.750-14 npt thd port,two 0.500-14 npt thd port,one 0.250-14 npt thd port,one 0.125-27 npt thd port,two 0.410 in. dia mtg holes spaced 2.500 in. c to c,exhaust opening w/baffle in bottom of valve,4.188 in. o/a body h

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-127-2353	No Name Available	02/01/1997

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
20QE 401R	Relay Valve Assembly
20QE401R	Relay Valve Assembly
20QE419R	Relay Valve Assembly
745-103010N	Relay Valve Assembly
K-500-CH-1395	Relay Valve Assembly
K-500-CH-1395PC41	Relay Valve Assembly

FAQs

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

What is the FSCG of the NSN 4820-01-149-3247?

The FSCG of the NSN 4820-01-149-3247 is 4820

Does the NSN 4820-01-149-3247 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-149-3247 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 4820-01-149-3247 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-149-3247 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 4820-01-149-3247 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Fri, Mar 18, 1983