112C1-4IN-275PSI

View detailed technical data, stock status, and sourcing information for: 112C1-4IN-275PSI
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-724-8470

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

spring disk loading method, piston flow control device, inside spring bonnet type, right-hand 1st end thread direction, pressure seal, ring type 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.

Thread Direction: right-hand 1st end
Flow Control Device: piston
Bonnet Type: inside spring
Bonnet Attachment Method: pressure seal, ring type
Disk Loading Method: spring
Valve Discharge Flow Rate: 159.0 cubic feet per minute
Renewable Seat Ring Type: pressed-in
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic or manual
Connection Type: threaded external pipe 1st end
Maximum Operating Pressure: 300.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches 1st end
Opening Pressure Setting: 275.0 pounds per square inch
Special Features: grumman,a10 aircraft
Material: copper alloy overall
Media For Which Designed: air single response
Style Designator: angle
Thread Series Designator: npt 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4310-00-588-0670	No Name Available	12/23/1968

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
112C1-4IN-275PSI	Safety Relief Valve
48-1-4-275	Safety Relief Valve
48-1-4IN275LB	Safety Relief Valve
A211557-2	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-724-8470?

The FSCG of the NSN 4820-00-724-8470 is 4820

Does the NSN 4820-00-724-8470 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-724-8470 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 4820-00-724-8470 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-724-8470 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 4820-00-724-8470 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963