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4820-00-033-6850

Find complete technical information, availability, and procurement data for: 4820-00-033-6850

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4820-00-033-6850
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-033-6850
Item Name Code
05487
Assigment Date
11/03/1972 (53 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

flared (tube) 1st end connection style, threaded external tube 1st end connection type, 3a 1st end thread class, 0.562 inches 1st end nominal thread size, right-hand 1st end 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 1st end
Thread Direction
right-hand 1st end
Connection Style
flared (tube) 1st end
Connection Type
threaded external tube 1st end
Nominal Thread Size
0.562 inches 1st end
Seat Angle
37.0 degrees 1st end
Nominal Outside Diameter Tube Accommodated
0.375 inches 1st end
Style Designator
straight thru
Thread Series Designator
unf 1st end

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
386050 Check Valve
H575 Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-033-6850?
The FSCG of the NSN 4820-00-033-6850 is 4820
Does NSN 4820-00-033-6850 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 4820-00-033-6850 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-033-6850 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 4820-00-033-6850 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Fri, Nov 3, 1972

Professional Distribution

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Material 5,230
New Surplus 61
Overhauled 50
Total 5,341
Availability of this item was last updated on: 05/01/2026 02:05 AM EDT. Stock levels and pricing are subject to change.

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