4820-01-468-7998

Find complete technical information, availability, and procurement data for: 4820-01-468-7998
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-468-7998

Item Name Code

05488

Assigment Date

10/22/1999 (26 years ago)

2a 2nd end thread class, 2a 1st end thread class, right-hand 2nd end thread direction, right-hand 1st end thread direction, poppet flow control device

Product Characteristics

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

Thread Class: 2a 1st end
Thread Class: 2a 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: poppet
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Maximum Operating Temp: 225.0 fahrenheit single response
Minimum Operating Temp: -20.0 fahrenheit
End Item Identification: whidbey island class lsd
Connection Style: plain (pipe) 1st end
Connection Style: plain (pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Connection Type: threaded external pipe 2nd end
Thread Quantity Per Inch: 12 1st end
Thread Quantity Per Inch: 12 2nd end
Maximum Operating Pressure: 6000.0 pounds per square inch single response
Nominal Thread Size: 1.750 inches 2nd end
Nominal Thread Size: 2.3125 inches 1st end
Opening Pressure Setting: 80.0 pounds per square inch
Special Features: orifice size 0.313 inch
Material: bronze body
Material: steel corrosion resisting flow control device
Material: steel corrosion resisting seat
Media For Which Designed: air single response
Style Designator: angle
Thread Series Designator: un 1st end
Thread Series Designator: un 2nd end

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
158 PL-5056 .313 SET 80 PSI	Safety Relief Valve
158 PL-5056 80P	Safety Relief Valve
A-10851 AND PL-5056 80PSI SET	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-468-7998?

The FSCG of the NSN 4820-01-468-7998 is 4820

Does the NSN 4820-01-468-7998 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-468-7998 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 4820-01-468-7998 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-468-7998 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 4820-01-468-7998 was assigned to the Federal Catalog?

It was assigned 26 years ago, on Fri, Oct 22, 1999