4820-01-656-7843

Find complete technical information, availability, and procurement data for: 4820-01-656-7843
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-656-7843

Item Name Code

05488

Assigment Date

07/18/2016 (10 years ago)

A major transverse structural member which divides, supports and gives shape to the fuselage, hull, tank, and the like. It can form a complete barrier and may also be designed for pressure tight applications.

flared (tube) 2nd end connection style, -40.0 fahrenheit minimum operating temp, 250.00 fahrenheit single response maximum operating temp, automatic valve operation method, flare(tube) 1st end connection style

Product Characteristics

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

Maximum Operating Temp: 250.00 fahrenheit single response
Minimum Operating Temp: -40.0 fahrenheit
Connection Style: flared (tube) 2nd end
Connection Style: flare(tube) 1st end
Valve Operation Method: automatic
Connection Type: threaded external tube 2nd end
Connection Type: threaded internal boss 1st end
Thread Quantity Per Inch: 18 all ends
Maximum Operating Pressure: 3500.00 pounds per square inch single response
Nominal Thread Size: 0.5625 inches all ends
Seat Angle: 37.00 degrees 2nd end
Seat Angle: 45.00 degrees 1st end
Face To Face Distance: 2.90 inches
Part Name Assigned By Controlling Agency: velocity fuse
Special Features: inlet: -06 sae; outlet: -06 jic; fail safe design, rapid response; flow range: 0.5 to 10.0 gpm; closing flow: 15 gpm;
Material: steel body
Style Designator: straight thru note: to be used for valve bodies of one section only.

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
28001-206-10	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-656-7843?

The FSCG of the NSN 4820-01-656-7843 is 4820

Does the NSN 4820-01-656-7843 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-656-7843 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 4820-01-656-7843 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-656-7843 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 4820-01-656-7843 was assigned to the Federal Catalog?

It was assigned 10 years ago, on Mon, Jul 18, 2016