4820-00-131-1739

Find complete technical information, availability, and procurement data for: 4820-00-131-1739
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-131-1739

Item Name Code

16988

Assigment Date

12/09/1968 (57 years ago)

An item with one mounting end and one free flowing end with a metal to metal valve closure. It is designed to drain fluids from radiators, boilers, and similar items.

threaded external pipe 1st end connection type, right-hand 1st end thread direction, manual valve operation method, plain (pipe) 1st end connection style, poppet 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 Direction: right-hand 1st end
Flow Control Device: poppet
Connection Style: plain (pipe) 1st end
Valve Operation Method: manual
Connection Type: threaded external pipe 1st end
Connection Type: unthreaded external hose 2nd end
Nominal Thread Size: 0.250 inches 1st end
Nominal Inside Diameter Hose Accommodated: 0.375 inches 2nd end
Special Features: furnished with copper tube 13.750 in. lg brazed to first end; grumman aerospace a-10 aircraft
Material: copper alloy overall
Style Designator: angle
Thread Series Designator: npt 1st 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
AC12474	Drain Cock
AH15-1397	Drain Cock

FAQs

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

What is the FSCG of the NSN 4820-00-131-1739?

The FSCG of the NSN 4820-00-131-1739 is 4820

Does the NSN 4820-00-131-1739 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-131-1739 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 4820-00-131-1739 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-131-1739 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 4820-00-131-1739 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Mon, Dec 9, 1968