4820-00-998-6321

Find complete technical information, availability, and procurement data for: 4820-00-998-6321
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-998-6321

Item Name Code

05488

Assigment Date

11/27/1967 (58 years ago)

3a all ends thread class, right-hand all ends thread direction, spring disk loading method, flared (tube) 2nd end connection style, plain (tube) 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.

Thread Class: 3a all ends
Thread Direction: right-hand all ends
Disk Loading Method: spring
Connection Style: flared (tube) 2nd end
Connection Style: plain (tube) 1st end
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Nominal Thread Size: 0.438 inches 2nd end
Nominal Thread Size: 0.563 inches 1st end
Seat Angle: 47.0 degrees 2nd end
Material: plastic body
Style Designator: straight thru note: to be used for valve bodies of one section only.
Thread Series Designator: unf all ends

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
310204	Safety Relief Valve
32-83521-41	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-998-6321?

The FSCG of the NSN 4820-00-998-6321 is 4820

Does the NSN 4820-00-998-6321 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-998-6321 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 4820-00-998-6321 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-998-6321 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 4820-00-998-6321 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Mon, Nov 27, 1967