M4121-3/4S27-6-5

View detailed technical data, stock status, and sourcing information for: M4121-3/4S27-6-5
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-216-4532

Item Name Code

20520

Assigment Date

09/11/1985 (40 years ago)

A rigid or flexible item of various shapes attached to a structure for the purpose of providing access for inspection, service, replacement of components and/or adjustments or mounting operations. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs, and the like. To permit access, the mounted cover requires partial or complete removal. It may include an observation window. For items permanently attached by hinges and the like, see door, access (as modified). Excludes:all covers not specifically designed to provide access for the purposes listed above.

180.0 fahrenheit single response maximum operating temp, plain, optional end (pipe) all ends connection style, right-hand all ends thread direction, 6.375 inches nominal aperture diameter, disk 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
Aperture Diameter: 6.375 inches nominal
Flow Control Device: disk
Maximum Operating Temp: 180.0 fahrenheit single response
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches all ends
Material: steel body
Style Designator: angle
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
1679513	Restrictor Check Valve
M4121-3/4S-6-5	Restrictor Check Valve
M4121-3/4S27-6-5	Restrictor Check Valve
M4121-3/4S3-6-5	Restrictor Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-216-4532?

The FSCG of the NSN 4820-01-216-4532 is 4820

Does the NSN 4820-01-216-4532 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-216-4532 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 4820-01-216-4532 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-216-4532 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 4820-01-216-4532 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Wed, Sep 11, 1985