845-1889551 PIECE 4

View detailed technical data, stock status, and sourcing information for: 845-1889551 PIECE 4
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-181-8656

Item Name Code

22113

Assigment Date

06/16/1984 (42 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.

steel corrosion resisting seat material, astm a351 gr.cf-8m assn std single material response seat material document and classification

Product Characteristics

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

Material: steel corrosion resisting seat
Material Document And Classification: astm a351 gr.cf-8m assn std single material response seat

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
2620-920X2 PIECE 4-2IN	Valve Seat
29969 PIECE 4	Valve Seat
845-1889551 PIECE 4	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-181-8656?

The FSCG of the NSN 4820-01-181-8656 is 4820

Does the NSN 4820-01-181-8656 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-181-8656 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 4820-01-181-8656 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-181-8656 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 4820-01-181-8656 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Sat, Jun 16, 1984