990C843H01

View detailed technical data, stock status, and sourcing information for: 990C843H01
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-168-1741

Item Name Code

05488

Assigment Date

08/02/1968 (58 years ago)

external seat for gasket seal (boss) 1st end connection style, 2a 1st end thread class, disk flow control device, automatic valve operation method, right-hand 1st end thread direction

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: disk
Connection Style: external seat for gasket seal (boss) 1st end
Valve Operation Method: automatic
Connection Type: threaded external boss 1st end
Nominal Thread Size: 0.750 inches 1st end
Material: aluminum body
Material: steel corrosion resisting flow control device
Style Designator: straight thru w/baffle
Thread Series Designator: unf 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
990C843801	Safety Relief Valve
990C843H01	Safety Relief Valve
D513A8D41	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-168-1741?

The FSCG of the NSN 4820-00-168-1741 is 4820

Does the NSN 4820-00-168-1741 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-168-1741 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 4820-00-168-1741 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-168-1741 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 4820-00-168-1741 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Fri, Aug 2, 1968