4959K2 BASIC 1/2

View detailed technical data, stock status, and sourcing information for: 4959K2 BASIC 1/2
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-136-2790

Item Name Code

27565

Assigment Date

08/06/1982 (43 years ago)

An item in the form of a segment of a disk, which may have a flat bottom, with or without projecting shoulders, designed to fit into a keyway in an axle or shaft, and into a matching slot in the hub or boss of a wheel, gear or pulley.

plain first end style designator, outlet pressure gage furnished items, threaded internal pipe first end connection type, air media for which designed, straight thru body style

Product Characteristics

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

Body Style: straight thru
Furnished Items: outlet pressure gage
Media For Which Designed: air
First End Connection Type: threaded internal pipe
First End Style Designator: plain
First End Thread Size And Series/Type Designator: unable to decode
First End Thread Direction: right-hand
Second End Relationship With First End: identical
Flow Control Device: stem and integral disk
End Connection Quantity: 2
Outlet Pressure Range: +0.0 to 125.0 pounds per square inch
Regulation Type: automatic single stage
Valve Loading Method: spring
Maximum Inlet Pressure Rating: 400.0 pounds per square inch
Filter: not included
Temp Rating: 250.0 fahrenheit nominal
Material: unable to decode

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
4959K2 BASIC 1/2	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-136-2790?

The FSCG of the NSN 4820-01-136-2790 is 4820

Does the NSN 4820-01-136-2790 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-136-2790 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 4820-01-136-2790 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-136-2790 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 4820-01-136-2790 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Fri, Aug 6, 1982