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4820-01-270-4273

Find complete technical information, availability, and procurement data for: 4820-01-270-4273

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4820-01-270-4273
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-01-270-4273
Item Name Code
05488
Assigment Date
01/06/1988 (38 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

union bonnet attachment method, inside spring bonnet type, disk flow control device, spring disk loading method, 150.0 fahrenheit single response maximum operating temp

Product Characteristics

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

Flow Control Device
disk
Bonnet Type
inside spring
Bonnet Attachment Method
union
Disk Loading Method
spring
Maximum Operating Temp
150.0 fahrenheit single response
Connection Style
socket (tube) all ends
Valve Operation Method
automatic
Connection Type
unthreaded internal tube all ends
Adjustable Pressure Range
+75.0 to 88.0 pounds per square inch
Maximum Operating Pressure
400.0 pounds per square inch single response
Nominal Outside Diameter Tube Accommodated
1.500 inches all ends
Material
copper alloy body
Material
steel corrosion resisting flow control device
Material
steel corrosion resisting seat
Material
steel corrosion resisting stem
Media For Which Designed
water-oil-gas single response
Style Designator
angle

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
BCMAA06SGG Safety Relief Valve
BESAA06SGG Safety Relief Valve
DA-40G 1.5X1.5IN Safety Relief Valve
DA-40G 1.5X1.5IN 75T88PSI Safety Relief Valve
NMP1184 Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-270-4273?
The FSCG of the NSN 4820-01-270-4273 is 4820
Does the NSN 4820-01-270-4273 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-270-4273 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 4820-01-270-4273 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-270-4273 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 4820-01-270-4273 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Wed, Jan 6, 1988

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