2640-503 PIECE

View detailed technical data, stock status, and sourcing information for: 2640-503 PIECE
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-799-7060

Item Name Code

22113

Assigment Date

01/01/1962 (64 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

0.375 inches nominal seat radius, radial seating surface shape, 1.755 inches nominal body outside diameter, 1.000 inches nominal body inside diameter, 0.312 inches nominal overall height

Product Characteristics

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

Overall Height: 0.312 inches nominal
Body Outside Diameter: 1.755 inches nominal
Body Inside Diameter: 1.000 inches nominal
Seat Radius: 0.375 inches nominal
Seating Surface Shape: radial
Material: plastic polyamide (nylon) overall
Style Designator: plain

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-005-7463	No Name Available	01/01/1989
4820-00-363-4858	No Name Available	11/01/1981
4820-00-987-7977	No Name Available	08/01/2007
4820-01-057-4153	No Name Available	03/01/1989
4820-01-258-7239	No Name Available	02/01/1990

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
2050967PC5REVL	Valve Seat
205120-5	Valve Seat
255669 PC 5	Valve Seat
259089 ITEM 43	Valve Seat
2640-157PC7	Valve Seat
2640-276X27PC7	Valve Seat
2640-352X3PC3	Valve Seat
2640-403X3PC6	Valve Seat
2640-503 PIECE	Valve Seat
2640-801X02 PIECE 5	Valve Seat
2640-801X2PC50	Valve Seat
4377067PC2	Valve Seat
516-4775902 ITE	Valve Seat
516-4775902 ITEM 27	Valve Seat
71793-25X3PC19	Valve Seat
72791-14X2PC6	Valve Seat
72791-32X4PC2	Valve Seat
72793-25X03PC19	Valve Seat
75791-32X23R1PC2	Valve Seat
75865-42X1PC3	Valve Seat
77791-14X2PC6	Valve Seat
77791-15X2PC3	Valve Seat
77791-32X3PC7	Valve Seat
845-2444863PC5	Valve Seat
9800-317X1PC81	Valve Seat
9800-317X1PC81-1-1-2IN	Valve Seat
9800-318X1PC81	Valve Seat
9800-322X1-81	Valve Seat
9886-345X1PC9	Valve Seat
SS845-2007656PC7	Valve Seat
SS845-2050999 P	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-799-7060?

The FSCG of the NSN 4820-00-799-7060 is 4820

Does the NSN 4820-00-799-7060 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-799-7060 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 4820-00-799-7060 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-799-7060 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 4820-00-799-7060 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962