40N957PC81

View detailed technical data, stock status, and sourcing information for: 40N957PC81
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part 40N957PC81 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-289-3797

Item Name Code

05488

Assigment Date

01/01/1961 (65 years ago)

right-hand all ends thread direction, inside spring bonnet type, integral bonnet attachment method, piston flow control device, 0.375 inches 1st end nominal pipe size accommodated

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.375 inches 1st end
Thread Direction: right-hand all ends
Flow Control Device: piston
Bonnet Type: inside spring
Bonnet Attachment Method: integral
Disk Loading Method: spring
Renewable Seat Ring Type: pressed-in
Maximum Operating Temp: 100.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Features Provided: pressure tight outlet side
Adjustable Pressure Range: +15.0 to 100.0 pounds per square inch
Maximum Operating Pressure: 500.0 pounds per square inch single response
Nominal Thread Size: 0.375 inches all ends
Material: copper alloy body
Material: steel flow control device
Material: steel seat
Media For Which Designed: fuel/oil, hydrocarbon single response
Style Designator: angle
Thread Series Designator: npt 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
2490013	Safety Relief Valve
40N626PC117	Safety Relief Valve
40N809PC135	Safety Relief Valve
40N837PC138	Safety Relief Valve
40N838PC138	Safety Relief Valve
40N955PC81	Safety Relief Valve
40N957PC81	Safety Relief Valve
72-2050-002	Safety Relief Valve
72-20500-002	Safety Relief Valve
81417S41-1059PC138	Safety Relief Valve
81417S41-1060PC138	Safety Relief Valve
81417S41-715PC135	Safety Relief Valve
81417S41-729PC117	Safety Relief Valve
81417S41-828PC81	Safety Relief Valve
81417S41-830PC81	Safety Relief Valve
81612S4105-891001PC102	Safety Relief Valve
N68-25-018APC102	Safety Relief Valve
VB2R-SS-WS	Safety Relief Valve
VB2R-W2	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-289-3797?

The FSCG of the NSN 4820-00-289-3797 is 4820

Does the NSN 4820-00-289-3797 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-289-3797 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 4820-00-289-3797 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-289-3797 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 4820-00-289-3797 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961