F938-31

View detailed technical data, stock status, and sourcing information for: F938-31
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-377-7472

Item Name Code

35224

Assigment Date

07/24/1993 (33 years ago)

A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.

valve size 3in. special features, 100.0 fahrenheit minimum and 366.0 fahrenheit maximum temp rating, copper alloy 922 material, astm b61 national spec single material response material document and classification, 150.0 pounds per square inch minimum and 250.0 pounds per square inch maximum pressure rating

Product Characteristics

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

Temp Rating: 100.0 fahrenheit minimum and 366.0 fahrenheit maximum
Pressure Rating: 150.0 pounds per square inch minimum and 250.0 pounds per square inch maximum
Special Features: valve size 3in.
Material: copper alloy 922
Material Document And Classification: astm b61 national spec single material response
Media For Which Designed: steam or water, cold
Style Designator: plain

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
F938-31	Valve Disk
F938-31-ITEM 9	Valve Disk
TO-45930	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-01-377-7472?

The FSCG of the NSN 4820-01-377-7472 is 4820

Does the NSN 4820-01-377-7472 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-377-7472 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 4820-01-377-7472 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-377-7472 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 4820-01-377-7472 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Sat, Jul 24, 1993