4820-00-956-1542

Find complete technical information, availability, and procurement data for: 4820-00-956-1542
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-956-1542

Item Name Code

22113

Assigment Date

05/11/1966 (60 years ago)

1.875 inches nominal taper major diameter, radial seating surface shape, 1.370 inches minimum and 1.380 inches maximum taper minor diameter, cobalt alloy face material, 0.433 inches minimum and 0.443 inches maximum seat radius

Product Characteristics

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

Taper Minor Diameter: 1.370 inches minimum and 1.380 inches maximum
Taper Major Diameter: 1.875 inches nominal
Seat Radius: 0.433 inches minimum and 0.443 inches maximum
Seating Surface Shape: radial
Material: cobalt alloy face
Material: steel body
Material Document And Classification: mil-r-17131,type mil-rcocr-a mil spec single material response face
Material Document And Classification: qq-s-763,class 410 fed spec single material response body
Style Designator: plain flanged

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
672J564PC82	Valve Seat
790D191-04	Valve Seat
790D191H04	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-956-1542?

The FSCG of the NSN 4820-00-956-1542 is 4820

Does the NSN 4820-00-956-1542 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-956-1542 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 4820-00-956-1542 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-956-1542 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 4820-00-956-1542 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, May 11, 1966