4820-01-439-3888

Find complete technical information, availability, and procurement data for: 4820-01-439-3888
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-439-3888

Item Name Code

05489

Assigment Date

12/06/1996 (29 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

200.0 pounds per square inch single response maximum operating pressure, strategic sealift conversion ships class end item identification, manual valve operation method, wafer mounting facility, 3.000 inches valve size

Product Characteristics

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

End Item Identification: strategic sealift conversion ships class
Valve Operation Method: manual
Mounting Facility: wafer
Valve Size: 3.000 inches
Maximum Operating Pressure: 200.0 pounds per square inch single response
Material: copper alloy 922 body
Material: copper alloy 955 flow control device
Material: copper alloy 953 seat
Style Designator: straight thru
Furnished Items And Quantity: 1 handle

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
"3" M2030-423A-1A"	Butterfly Valve

FAQs

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

What is the FSCG of the NSN 4820-01-439-3888?

The FSCG of the NSN 4820-01-439-3888 is 4820

Does the NSN 4820-01-439-3888 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801090

Does NSN 4820-01-439-3888 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 4820-01-439-3888 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-439-3888 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 4820-01-439-3888 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Fri, Dec 6, 1996