493-16-D-28-1/4

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-192-6717

Item Name Code

05487

Assigment Date

10/25/1984 (41 years ago)

A valve having two or more ports with valve stem or pilot needle in a normally open or closed position. It is specifically designed to stop or start or change the flow of fluid by means of the magnetic action of an electric coil on a moveable core or plunger. The valve may be equipped with a manual opening or closing device. For items with three or more ports that utilize a reciprocating slide with recess areas which mate with ports in an integral or replaceable ported sleeve, see valve (1), linear, directional control. It may be inline or cartridge (manifold) design. Excludes:valve (1), butterfly.

spring disk loading method, poppet flow control device, 3b 1st end thread class, right-hand 1st end thread direction, 400.0 fahrenheit single response maximum operating temp

Product Characteristics

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

Thread Class: 3b 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 400.0 fahrenheit single response
Connection Style: gasket seal (boss) 1st end
Valve Operation Method: automatic
Connection Type: threaded internal boss 1st end
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 12 1st end
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 1.312 inches 1st end
Seat Angle: 30.0 degrees 1st end
Material: aluminum alloy body
Media For Which Designed: hydraulic fluid, silicate-ester base single response
Surface Treatment: anodize
Surface Treatment Document And Classification: mil-a-8625,type 2 mil std single treatment response
Style Designator: straight thru
Thread Series Designator: un 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
493-16-D-28-1/4	Check Valve
493-16D28-1/4	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-192-6717?

The FSCG of the NSN 4820-01-192-6717 is 4820

Does the NSN 4820-01-192-6717 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-01-192-6717 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 4820-01-192-6717 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-192-6717 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 4820-01-192-6717 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Thu, Oct 25, 1984