20-1130

View detailed technical data, stock status, and sourcing information for: 20-1130
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-116-2121

Item Name Code

37648

Assigment Date

09/25/1968 (57 years ago)

A metallic, threaded, screw-shaped item used in hydraulic brake cylinders, hydraulic power units, missile launching hydraulic systems, and the like, for the purpose of providing a means of releasing air form and/or flushing a hydraulic system. It may be furnished with or without a dust cap. Excludes:spring loaded or automatic type air pressure relief valves, and bolt, fluid passage.

manual valve operation method, plain (pipe) all ends connection style, 600.0 fahrenheit single response maximum operating temp, right-hand all ends thread direction, poppet flow control device

Product Characteristics

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

Thread Direction: right-hand all ends
Flow Control Device: poppet
Maximum Operating Temp: 600.0 fahrenheit single response
Connection Style: plain (pipe) all ends
Valve Operation Method: manual
Connection Type: threaded external pipe all ends
Maximum Operating Pressure: 4000.0 pounds per square inch single response
Nominal Thread Size: 0.125 inches all ends
Material: steel comp 316 body
Material: steel comp 316 flow control device
Media For Which Designed: air 1st response
Media For Which Designed: water-oil-gas 2nd response
Thread Series Designator: npt 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
20-1130	Hydraulic System Bleeder Valve
516-02-002	Hydraulic System Bleeder Valve
6097367	Hydraulic System Bleeder Valve
SS4P2M	Hydraulic System Bleeder Valve

FAQs

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

What is the FSCG of the NSN 4820-00-116-2121?

The FSCG of the NSN 4820-00-116-2121 is 4820

Does the NSN 4820-00-116-2121 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-116-2121 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 4820-00-116-2121 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-116-2121 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 4820-00-116-2121 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, Sep 25, 1968