2643-773-01 ITEM 41

View detailed technical data, stock status, and sourcing information for: 2643-773-01 ITEM 41
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-480-0418

Item Name Code

22113

Assigment Date

11/06/2000 (25 years ago)

A circular metal item specifically designed to be attached to a machine that reduces volume so that its expansion may be utilized as a source of power. It can reduce the fluctuations of the machine during changes of speed and/or overcome the deadpoints of the piston. Excludes:flywheel, engine.

chapfer of 0.025; 6 grooves equally spaced .25 inches radius x .125 deep special features, 2.125 inches nominal body inside diameter, 3.625 inches nominal body outside diameter, flat seating surface shape, 0.688 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: 0.688 inches nominal
Body Outside Diameter: 3.625 inches nominal
Body Inside Diameter: 2.125 inches nominal
Seating Surface Shape: flat
Special Features: chapfer of 0.025; 6 grooves equally spaced .25 inches radius x .125 deep
Material: plastic overall
Style Designator: plain

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
2640-801X2 PC48	Valve Seat
2643-773-01 ITEM 41	Valve Seat
264377301-0041	Valve Seat
845-7108793 ITEM 41	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-480-0418?

The FSCG of the NSN 4820-01-480-0418 is 4820

Does the NSN 4820-01-480-0418 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-480-0418 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 4820-01-480-0418 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-480-0418 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 4820-01-480-0418 was assigned to the Federal Catalog?

It was assigned 25 years ago, on Mon, Nov 6, 2000