1084-201

View detailed technical data, stock status, and sourcing information for: 1084-201
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-049-8709

Item Name Code

22113

Assigment Date

10/28/1977 (48 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.

3.031 inches nominal body inside diameter, feat criticality code justification, oliver perry class ffg end item identification, 0.250 inches nominal overall height, 3.750 inches nominal flange diameter

Product Characteristics

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

Flange Diameter: 3.750 inches nominal
Overall Height: 0.250 inches nominal
Body Inside Diameter: 3.031 inches nominal
End Item Identification: oliver perry class ffg
Criticality Code Justification: feat
Special Features: weapon system essential
Material: copper alloy body
Material: rubber buna n face

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
1084-201	Valve Seat
51172-N183	Valve Seat
51172N08K-183	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-049-8709?

The FSCG of the NSN 4820-01-049-8709 is 4820

Does the NSN 4820-01-049-8709 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-049-8709 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 4820-01-049-8709 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-049-8709 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 4820-01-049-8709 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Fri, Oct 28, 1977