HE284-5055-0001

View detailed technical data, stock status, and sourcing information for: HE284-5055-0001
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-786-2918

Item Name Code

05487

Assigment Date

03/27/1968 (58 years ago)

A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also gear, antibacklash, spur. For bulk material, see rod, pinion.

spring disk loading method, right-hand all ends thread direction, poppet flow control device, flared (tube) all ends connection style, 3a all ends thread class

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
Connection Style: flared (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 18 1st end
Maximum Operating Pressure: 900.0 pounds per square inch single response
Nominal Thread Size: 0.562 inches 1st end
Seat Angle: 37.0 degrees all ends
Nominal Outside Diameter Tube Accommodated: 0.375 inches 1st end
Material: aluminum alloy body
Material: steel seat
Media For Which Designed: fuel/oil, hydrocarbon 1st response
Media For Which Designed: water, fresh 2nd response
Style Designator: straight thru
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
HE284-5055	Check Valve
HE284-5055-0001	Check Valve
K1206-6-4	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-786-2918?

The FSCG of the NSN 4820-00-786-2918 is 4820

Does the NSN 4820-00-786-2918 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-786-2918 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 4820-00-786-2918 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-786-2918 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 4820-00-786-2918 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Mar 27, 1968