A7677

View detailed technical data, stock status, and sourcing information for: A7677
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-368-9816

Item Name Code

22113

Assigment Date

12/12/1992 (33 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.

0.285 inches nominal body outside diameter, steel corrosion resisting seat material, 0.185 inches nominal body inside diameter, 0.500 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: 0.500 inches nominal
Body Outside Diameter: 0.285 inches nominal
Body Inside Diameter: 0.185 inches nominal
Material: steel corrosion resisting 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
615-A7677	Valve Seat
A7677	Valve Seat
B5210 ITEM 9	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-368-9816?

The FSCG of the NSN 4820-01-368-9816 is 4820

Does the NSN 4820-01-368-9816 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-368-9816 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 4820-01-368-9816 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-368-9816 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 4820-01-368-9816 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Sat, Dec 12, 1992