4820-01-456-1181

Find complete technical information, availability, and procurement data for: 4820-01-456-1181
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-456-1181

Item Name Code

05487

Assigment Date

06/01/1998 (28 years ago)

An item which actuates included electrical contacts and/or switches in an orderly succession, and at a predetermined interval(s) for the purpose of controlling the operation of another electrical device(s). May have provision for manually establishing an operational sequence or cycle. See also relay, motor driven; timer, interval; keyer (as modified); chronometer, make-break circuit and intervalometer (as modified).

3b all ends thread class, poppet flow control device, right-hand all ends thread direction, 400.0 fahrenheit single response maximum operating temp, spring disk loading method

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
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 400.0 fahrenheit single response
End Item Identification: tube assembly freeboard ballast
Connection Style: gasket seal (boss) all ends
Valve Operation Method: automatic
Connection Type: threaded internal tube all ends
Mounting Position: horizontal
Maximum Operating Pressure: 7500.0 pounds per square inch single response
Nominal Thread Size: 0.5625 inches all ends
Opening Pressure Setting: 0.5 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 0.375 inches all ends
Special Features: viton o-ring
Material: steel comp 316 body
Style Designator: straight thru
Thread Series Designator: unjf 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
2332T1-6BB	Check Valve
563-5793713	Check Valve
5793713 FIND 77	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-456-1181?

The FSCG of the NSN 4820-01-456-1181 is 4820

Does the NSN 4820-01-456-1181 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-456-1181 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 4820-01-456-1181 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-456-1181 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 4820-01-456-1181 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Mon, Jun 1, 1998