K873738-2250

View detailed technical data, stock status, and sourcing information for: K873738-2250
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-977-7664

Item Name Code

05488

Assigment Date

01/01/1962 (64 years ago)

right-hand all ends thread direction, bolted bonnet attachment method, 3a all ends thread class, disk flow control device, inside spring bonnet type

Product Characteristics

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

Thread Class: 3a all ends
Thread Direction: right-hand all ends
Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Connection Style: flared (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Nominal Thread Size: 0.437 inches all ends
Seat Angle: 37.0 degrees all ends
Opening Pressure Setting: 2120.0 pounds per square inch
Material: aluminum alloy body
Media For Which Designed: air single response
Style Designator: angle
Thread Series Designator: unf all ends

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
873738-2250	Safety Relief Valve
K873738-2250	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-977-7664?

The FSCG of the NSN 4820-00-977-7664 is 4820

Does the NSN 4820-00-977-7664 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-977-7664 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 4820-00-977-7664 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-977-7664 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 4820-00-977-7664 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962