NMP-1128 PIECE 23

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-121-8447

Item Name Code

22113

Assigment Date

11/10/1981 (44 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.

4820-01-121-8447, valve 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
010.303.0128	Valve Seat
0103030128	Valve Seat
A-2449 1/4X3/4 PIECE 19	Valve Seat
A2446 20 3/8 X 1/2 IN	Valve Seat
A2446 PC 20	Valve Seat
A2448 PIECE 20	Valve Seat
NMP-1128 PIECE 23	Valve Seat
NMP-1173 PIECE 23	Valve Seat
NMP-1176 PIECE 8	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-121-8447?

The FSCG of the NSN 4820-01-121-8447 is 4820

Does the NSN 4820-01-121-8447 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-121-8447 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 4820-01-121-8447 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-121-8447 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 4820-01-121-8447 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Tue, Nov 10, 1981