663956-2

View detailed technical data, stock status, and sourcing information for: 663956-2
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Federal Supply Group

Valves

Federal Supply Classification

4810 Powered Valves

National Stock Number

4810-00-016-1042

Item Name Code

22113

Assigment Date

01/01/1961 (65 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

1.242 inches minimum and 1.246 inches maximum flange diameter, 0.489 inches minimum and 0.495 inches maximum taper major diameter, 0.220 inches minimum and 0.260 inches maximum taper length, 0.330 inches minimum and 0.340 inches maximum taper minor diameter, 0.803 inches minimum and 0.813 inches maximum overall height

Product Characteristics

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

Flange Diameter: 1.242 inches minimum and 1.246 inches maximum
Overall Height: 0.803 inches minimum and 0.813 inches maximum
Taper Length: 0.220 inches minimum and 0.260 inches maximum
Taper Minor Diameter: 0.330 inches minimum and 0.340 inches maximum
Taper Major Diameter: 0.489 inches minimum and 0.495 inches maximum
Seal Accommodation Type: grooved
Hardness Rating: 52.0 rockwell b minimum and 56.0 rockwell b maximum overall
Criticality Code Justification: test
Material: steel corrosion resisting overall
Material Document And Classification: mil-s-7720,comp 303,cond b mil spec single material response overall
Surface Treatment: nickel overall
Test Data Document: 99193-663956 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Fsc Application Data: solenoid valve

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
663956-1	Valve Seat
663956-2	Valve Seat

FAQs

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

What is the FSCG of the NSN 4810-00-016-1042?

The FSCG of the NSN 4810-00-016-1042 is 4810

Does the NSN 4810-00-016-1042 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4810-00-016-1042 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 4810-00-016-1042 contain precious materials?

Item does not contain precious metal.

Does NSN 4810-00-016-1042 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 4810-00-016-1042 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961