6D146

View detailed technical data, stock status, and sourcing information for: 6D146
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-021-5600

Item Name Code

05487

Assigment Date

01/01/1961 (65 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.

vertical mounting position, threaded external tube all ends connection type, flareless all ends connection style, automatic valve operation method, 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
Connection Style: flareless all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Position: vertical
Nominal Thread Size: 0.563 inches all ends
Seat Angle: 12.0 degrees all ends
Style Designator: straight thru
Thread Series Designator: unjf all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2915-00-798-8732	No Name Available	06/24/1968

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
6-52615-1	Check Valve
6-52615-3	Check Valve
6D146	Check Valve
6D146-3	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-021-5600?

The FSCG of the NSN 4820-00-021-5600 is 4820

Does NSN 4820-00-021-5600 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 4820-00-021-5600 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-021-5600 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 4820-00-021-5600 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961