4820-00-494-8174

Find complete technical information, availability, and procurement data for: 4820-00-494-8174
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-494-8174

Item Name Code

05487

Assigment Date

06/18/1969 (57 years ago)

450.0 fahrenheit single response maximum operating temp, 3a all ends thread class, poppet flow control device, spring disk loading method, right-hand all ends thread direction

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: poppet
Disk Loading Method: spring
Maximum Operating Temp: 450.0 fahrenheit single response
Connection Style: external seat for gasket seal (boss) all ends
Valve Operation Method: automatic
Connection Type: threaded external boss all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 12 all ends
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 1.062 inches all ends
Nominal Outside Diameter Tube Accommodated: 1.000 inches 1st end
Material: steel corrosion resisting overall
Media For Which Designed: hydraulic fluid, mineral base single response
Surface Treatment: passivate
Style Designator: straight thru
Thread Series Designator: un all ends
Specification/Standard Data: 81349-mil-v-25675b government specification
Nondefinitive Spec/Std Data: 3 type and 0.750 size

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
25675-F12	Check Valve
332-2076-060	Check Valve
416-12SS1	Check Valve
4820004948174	Check Valve
4C2112	Check Valve
J416A-12SS-5	Check Valve
M25675-F12	Check Valve
MIL-V-25675B	Check Valve
MS24593-12	Check Valve
MS2459312	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-494-8174?

The FSCG of the NSN 4820-00-494-8174 is 4820

Does the NSN 4820-00-494-8174 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-00-494-8174 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 4820-00-494-8174 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-494-8174 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 4820-00-494-8174 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, Jun 18, 1969