2640-801X2 PIECE3

View detailed technical data, stock status, and sourcing information for: 2640-801X2 PIECE3
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-894-1054

Item Name Code

22113

Assigment Date

02/03/1967 (59 years ago)

0.281 inches nominal seat radius, radial seating surface shape, 75.0 rockwell m nominal overall hardness rating, zzzy criticality code justification, plastic polyamide (nylon) overall material

Product Characteristics

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

Seat Radius: 0.281 inches nominal
Hardness Rating: 75.0 rockwell m nominal overall
Seating Surface Shape: radial
Criticality Code Justification: zzzy
Material: plastic polyamide (nylon) overall
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

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-050-6407	No Name Available	08/30/1967
4820-00-054-3702	No Name Available	07/01/1968
4820-00-936-5777	No Name Available	08/30/1967
4820-01-058-1985	No Name Available	11/01/1989

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
255416PC3Q3	Valve Seat
255721 PIECE 4Q3	Valve Seat
255721PC4Q3	Valve Seat
2640-402X3 PIECE4Q3	Valve Seat
2640-404X3PC4	Valve Seat
2640-404X3PCQ3	Valve Seat
2640-634X1PC3Q3	Valve Seat
2640-784X3 PIECE 5	Valve Seat
2640-784X3 PIECE 5Q3	Valve Seat
2640-787X1 PIECE 35	Valve Seat
2640-787X1 PIECE 35Q3	Valve Seat
2640-787X3 PIECE 35	Valve Seat
2640-787X3 PIECE 35Q3	Valve Seat
2640-801X1PC7QA	Valve Seat
2640-801X2 PIECE3	Valve Seat
2640-801X2 PIECE3Q3	Valve Seat
2640-801X2PC 43	Valve Seat
2640-801X2PC 43Q3	Valve Seat
2640-801X2PC3QA	Valve Seat
2640-810-04 ITEM 5	Valve Seat
2640-810-04 ITEM 5Q3	Valve Seat
2641-402-06 PIECE 21	Valve Seat
2641-402-06 PIECE 21Q3	Valve Seat
2641-403X1PC79QA	Valve Seat
2641-405-01PIECE63QA	Valve Seat
2641-405-11 ITEM 57Q3	Valve Seat
2641-801X2 PIECE 3QA	Valve Seat
264140511-57	Valve Seat
264140511-57Q3	Valve Seat
7383858-264140511-57	Valve Seat
7383858-264140511-57Q3	Valve Seat
845-5486677 ITEM 14	Valve Seat
845-5486677 ITEM 14Q3	Valve Seat
H547-0001-264140	Valve Seat
H547-0001-264140511-57Q3	Valve Seat
RE-F49487 ITEM 2	Valve Seat
RE-F49487 ITEM 2Q3	Valve Seat
SS845-2050947 PIECE 4Q3	Valve Seat
SS845-2050967 PIECE 4	Valve Seat
SS845-2050967 PIECE 4Q3	Valve Seat
SS845-2109805PC4	Valve Seat
SS845-2109805PC4Q3	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-894-1054?

The FSCG of the NSN 4820-00-894-1054 is 4820

Does the NSN 4820-00-894-1054 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-894-1054 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 4820-00-894-1054 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-894-1054 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 4820-00-894-1054 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Feb 3, 1967