2641-357-03 PIECE9Q3

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-411-2695

Item Name Code

22113

Assigment Date

08/22/1969 (56 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
205225 PIECE 38	Valve Seat
255648PC25	Valve Seat
2640-001PC7DLRN	Valve Seat
2640-247PC10DLRN	Valve Seat
2640-247PC10DLRNQ3	Valve Seat
2640-339 PIECE 33DLRN	Valve Seat
2640-339 PIECE 33DLRNQ3	Valve Seat
2640-339X1PC33	Valve Seat
2640-339X1PC33Q3	Valve Seat
2640-339X2PC33Q3	Valve Seat
2640-339X2PC33QA	Valve Seat
2640-357X3PC56Q3	Valve Seat
2640-39X1 PIECE 33Q3	Valve Seat
2640-601 PIECE 38	Valve Seat
2640-699X1PC23Q3	Valve Seat
2640-801X1 PIECE 22	Valve Seat
2640-801X1 PIECE 22Q3	Valve Seat
2640-801X1PC4DLRN	Valve Seat
2640-801X1PC4DLRNQ3	Valve Seat
2640-822X10 PIECE 41Q3	Valve Seat
2640-822X10PIECE 41	Valve Seat
2641-357-03 PIECE9	Valve Seat
2641-357-03 PIECE9Q3	Valve Seat
2644-747-01-PIECE NO-12	Valve Seat
2644-747-01-PIECE NO-12Q3	Valve Seat
56-97-0727	Valve Seat
56-97-0727Q3	Valve Seat
7285297 PC 22	Valve Seat
7285297 PC 22Q3	Valve Seat
845-7285297,PIECE 22	Valve Seat
845-7285297,PIECE 22Q3	Valve Seat
845-8616948-PIECE NO-12	Valve Seat
845-8616948-PIECE NO-12Q3	Valve Seat
SS845-2050574PC33	Valve Seat
SS845-2050574PC33Q3	Valve Seat
SS845-2050575 PIECE 33Q3	Valve Seat
SSN594-845-2098290 PIECE 10	Valve Seat
SSN594-845-2098290 PIECE 10Q3	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-411-2695?

The FSCG of the NSN 4820-00-411-2695 is 4820

Does the NSN 4820-00-411-2695 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-411-2695 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 4820-00-411-2695 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-411-2695 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 4820-00-411-2695 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Aug 22, 1969