S235

View detailed technical data, stock status, and sourcing information for: S235
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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)

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

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Below is a list of NSNs that have been officially superseded by this NSN: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