D559B-4M-60

View detailed technical data, stock status, and sourcing information for: D559B-4M-60
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-320-6004

Item Name Code

05488

Assigment Date

05/29/1990 (36 years ago)

A switch that is externally actuated by a device such as a push rod or button, which requires pushing for each actuation. The action may be momentary, with mechanical return. It consists of a body,switch and a push button. The item may include provisions for mounting indicating lamps or light emitting diodes in the actuator. Includes items consisting of individually separable switches that are physically interlocked, that have a common actuator, or are electrically connected. Excludes: light-switch; light-switch assembly; switch,beam selecting,headlight; switch,foot; switch,interlock; switch,pressure; switch,push-pull; switch,sensitive and switch assembly. For devices which start, stop, reverse, select and/or regulate the speed of a motor, see starter,motor and controller,motor.

poppet flow control device, 250.0 fahrenheit single response maximum operating temp, spring disk loading method, right-hand all ends thread direction, -40.0 fahrenheit minimum operating temp

Product Characteristics

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

Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 250.0 fahrenheit single response
Minimum Operating Temp: -40.0 fahrenheit
End Item Identification: hd-1155 cooler,water
Connection Style: plain (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded external pipe all ends
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches all ends
Opening Pressure Setting: 60.0 pounds per square inch
Material: copper alloy body
Material: rubber butadiene-acrylonitrile class nbr seat
Style Designator: straight thru w/baffle
Thread Series Designator: npt all ends
Furnished Items And Quantity: 1 deflector cap

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
3255546-1	Safety Relief Valve
D559B-4M-60	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-320-6004?

The FSCG of the NSN 4820-01-320-6004 is 4820

Does the NSN 4820-01-320-6004 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-320-6004 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 4820-01-320-6004 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-320-6004 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 4820-01-320-6004 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Tue, May 29, 1990