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4820-00-855-4561

Find complete technical information, availability, and procurement data for: 4820-00-855-4561

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4820-00-855-4561
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-855-4561
Item Name Code
05485
Assigment Date
01/01/1962 (64 years ago)

disk flow control device, inside screw bonnet type, 250.0 fahrenheit 2nd response maximum operating temp, 406.0 fahrenheit 1st response maximum operating temp, union bonnet attachment method

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 screw
Bonnet Attachment Method
union
Maximum Operating Temp
250.0 fahrenheit 2nd response
Maximum Operating Temp
406.0 fahrenheit 1st response
Connection Style
socket (tube) all ends
Valve Operation Method
manual
Connection Type
unthreaded internal tube all ends
Features Provided
bonnet packing
Maximum Operating Pressure
150.0 pounds per square inch 1st response
Maximum Operating Pressure
300.0 pounds per square inch 2nd response
Nominal Outside Diameter Tube Accommodated
0.500 inches all ends
Material
copper alloy 836 and rubber synthetic flow control device
Material
copper alloy 836 body
Material
copper alloy 836 seat
Material
nickel alloy stem
Material Document And Classification
qq-c-390,alloy b5 fed spec single material response body
Material Document And Classification
qq-c-390,alloy b5 fed spec single material response flow control device
Material Document And Classification
qq-c-390,alloy b5 fed spec single material response seat
Media For Which Designed
steam single response
Media For Which Designed
water-oil-gas 2nd response
Style Designator
straight thru

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
4820-00-952-6941 No Name Available 01/01/1960

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
S-235 SZ 3/4 IN Globe Valve
S-235 SZ 3/4IN Globe Valve
S235 Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-00-855-4561?
The FSCG of the NSN 4820-00-855-4561 is 4820
Does NSN 4820-00-855-4561 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 4820-00-855-4561 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-855-4561 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 4820-00-855-4561 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962

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