2640-801-01 ITEM 17

View detailed technical data, stock status, and sourcing information for: 2640-801-01 ITEM 17
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-042-0874

Item Name Code

22113

Assigment Date

05/11/1967 (59 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.

zzzy criticality code justification, items that support a level i or subsafe critical system/component that has undergone quality assurance during the acquisition process and requires objective quality evidence (oqe) traceable to permanent marking on the material reference number differentiating characteristics

Product Characteristics

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

Criticality Code Justification: zzzy
Reference Number Differentiating Characteristics: items that support a level i or subsafe critical system/component that has undergone quality assurance during the acquisition process and requires objective quality evidence (oqe) traceable to permanent marking on the material

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
255580PC3Q3	Valve Seat
2640-800X1 ITEM 17	Valve Seat
2640-800X1 ITEM 17Q3	Valve Seat
2640-801-01 ITEM 17	Valve Seat
2640-801-01 ITEM 17Q3	Valve Seat
2640-801X01 ITEM 17Q3	Valve Seat
2640-801X01 ITEM17	Valve Seat
2640-801X01 PIECE 17	Valve Seat
2640-801X1-ITEM NO-17	Valve Seat
2640-801X1PC17Q3	Valve Seat
2640-804X3 PIECE 2	Valve Seat
2640-804X3 PIECE 2Q3	Valve Seat
2640-840X3PC2	Valve Seat
2640-840X3PC2Q3	Valve Seat
2640-852X1PC3	Valve Seat
2640-852X1PC3Q3	Valve Seat
264080101-0017	Valve Seat
264080101-0017Q3	Valve Seat
2643-852-10 ITEM 5	Valve Seat
2643-852-10 ITEM 5Q3	Valve Seat
2643-852-10-ITEM NO-5	Valve Seat
6002-184PC3	Valve Seat
6002-184PC3Q3	Valve Seat
845-4558787 ITEM 18	Valve Seat
845-4558787 ITEM 18Q3	Valve Seat
845-4558791 ITEM 35	Valve Seat
845-4558791 ITEM-35Q3	Valve Seat
845-7286652 ITEM16	Valve Seat
845-7286652 ITEM16Q3	Valve Seat
845-8543128 ITEM 5	Valve Seat
845-8543128 ITEM 5Q3	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-042-0874?

The FSCG of the NSN 4820-00-042-0874 is 4820

Does the NSN 4820-00-042-0874 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-042-0874 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-00-042-0874 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-042-0874 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 4820-00-042-0874 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Thu, May 11, 1967