2640-157PC8

View detailed technical data, stock status, and sourcing information for: 2640-157PC8
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-799-7056

Item Name Code

22113

Assigment Date

01/01/1962 (64 years ago)

1.062 inches nominal seat radius, radial seating surface shape, 2.125 inches nominal body outside diameter, 1.250 inches nominal body inside diameter, 0.375 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: 0.375 inches nominal
Body Outside Diameter: 2.125 inches nominal
Body Inside Diameter: 1.250 inches nominal
Seat Radius: 1.062 inches nominal
Seating Surface Shape: radial
Material: plastic 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Below is a list of NSNs that have been officially superseded by this NSN: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
4820-00-816-5322	No Name Available	01/01/1989
4820-01-057-0574	No Name Available	12/01/1987
4820-01-120-3937	No Name Available	04/01/1990

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
2050999PC8	Valve Seat
255721PC6	Valve Seat
2640-087-8	Valve Seat
2640-150PC8	Valve Seat
2640-157PC8	Valve Seat
2640-160PC8	Valve Seat
2640-166X1PC8	Valve Seat
2640-402X3PC6	Valve Seat
2640-405X3PC6	Valve Seat
2640-613PC8	Valve Seat
2640-666X2PC7	Valve Seat
2640-801X02 PIE	Valve Seat
2640-801X02 PIECE 6	Valve Seat
516-4775902 ITEM 19	Valve Seat
55-97-0604	Valve Seat
56-97-0604	Valve Seat
58-97-0602	Valve Seat
73553-62R1PC4	Valve Seat
73649-39R1PC4	Valve Seat
75865-42X2PIECE3	Valve Seat
9800-317X1PC82	Valve Seat
9800-317X1PC82-2IN	Valve Seat
9800-322X1PC82	Valve Seat
SS845-2050999PC8	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-799-7056?

The FSCG of the NSN 4820-00-799-7056 is 4820

Does the NSN 4820-00-799-7056 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-799-7056 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 4820-00-799-7056 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-799-7056 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 4820-00-799-7056 was assigned to the Federal Catalog?

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