4820-01-440-6185

Find complete technical information, availability, and procurement data for: 4820-01-440-6185
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-440-6185

Item Name Code

05487

Assigment Date

01/21/1997 (29 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

3b all ends thread class, automatic valve operation method, right-hand all ends thread direction, gasket seal (boss) all ends connection style, strategic sealift conversion ships class end item identification

Product Characteristics

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

Thread Class: 3b all ends
Thread Direction: right-hand all ends
End Item Identification: strategic sealift conversion ships class
Connection Style: gasket seal (boss) all ends
Valve Operation Method: automatic
Connection Type: threaded internal boss all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 12 all ends
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 1.625 inches all ends
Opening Pressure Setting: 20.0 pounds per square inch
Material: steel body
Style Designator: straight thru
Thread Series Designator: un 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
C2020S20	Check Valve
YMD-6923	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-440-6185?

The FSCG of the NSN 4820-01-440-6185 is 4820

Does the NSN 4820-01-440-6185 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-440-6185 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 4820-01-440-6185 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-440-6185 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 4820-01-440-6185 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Tue, Jan 21, 1997