MV-21S/T-SS-C

View detailed technical data, stock status, and sourcing information for: MV-21S/T-SS-C
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-273-4709

Item Name Code

05485

Assigment Date

02/25/1988 (38 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.

disk flow control device, bolted bonnet attachment method, right-hand all ends thread direction, 100.0 fahrenheit single response maximum operating temp, inside screw bonnet type

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: disk
Bonnet Type: inside screw
Bonnet Attachment Method: bolted
Maximum Operating Temp: 100.0 fahrenheit single response
Connection Style: plain (pipe) all ends
Valve Operation Method: manual
Connection Type: threaded external pipe all ends
Maximum Operating Pressure: 275.0 pounds per square inch single response
Nominal Thread Size: 1.500 inches all ends
Special Features: stop-check globe valve
Material: steel comp 316 flow control device
Material: steel comp 316 seat
Material: steel comp 316 stem
Material: steel uns j92900 body
Material Document And Classification: astm a182 tyep f316 assn std single material response stem
Material Document And Classification: astm a182 type f316 assn std single material response flow control device
Material Document And Classification: astm a182 type f316 assn std single material response seat
Material Document And Classification: astm a351 type cf8m assn std single material response body
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru
Supplementary Features: this item has been reviewed for asbestos material. the current approved source, 61661, has indicated their part number contained asbestos prior to 1984. they continue to manufacture the same part number without asbestos material after 1984
Thread Series Designator: npsm 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
21SC8M4-SC	Globe Valve
21T-C8M4-SC	Globe Valve
MV-21S/T-SS-C	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-273-4709?

The FSCG of the NSN 4820-01-273-4709 is 4820

Does the NSN 4820-01-273-4709 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803060

Does NSN 4820-01-273-4709 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 4820-01-273-4709 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-273-4709 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 4820-01-273-4709 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Feb 25, 1988