4820-01-494-9597

Find complete technical information, availability, and procurement data for: 4820-01-494-9597
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-494-9597

Item Name Code

05487

Assigment Date

02/28/2002 (24 years ago)

A resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of high resistance wire (or ribbon) either wound on an insulated form or constructed so as to be self-supporting. The item must have inherent characteristics of inducing self-inductance. Opposition to current flow is an inherent property of the resistance wire and is manifested by the heat dissipation in the resistor. Exclut s suppressor, ignition interference. See also resistor (1), fixed, wire wound, noninductive.

3.500 inches all ends nominal length, plain, optional end (pipe) all ends connection style, right-hand all ends thread direction, 350.0 fahrenheit single response maximum operating temp, ball or cone 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 Direction: right-hand all ends
Flow Control Device: ball or cone
Maximum Operating Temp: 350.0 fahrenheit single response
Connection Style: plain, optional end (pipe) all ends
Nominal Length: 3.500 inches all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 400.0 pounds per square inch single response
Nominal Thread Size: 1.000 inches all ends
Part Name Assigned By Controlling Agency: spring-loaded ball-cone check valve
Special Features: cracking pressure 0.5 psi; max pressure for steam 125 psi; coefficient of volume (cv) = 25
Material: copper alloy body
Material: copper alloy seat
Material: plastic polytetrafluoroethylene flow control device
Media For Which Designed: liquid single response
Style Designator: straight thru
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
47715K25	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-494-9597?

The FSCG of the NSN 4820-01-494-9597 is 4820

Does the NSN 4820-01-494-9597 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-494-9597 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 4820-01-494-9597 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-494-9597 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 4820-01-494-9597 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Thu, Feb 28, 2002