188590PC158

View detailed technical data, stock status, and sourcing information for: 188590PC158
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-218-2056

Item Name Code

22113

Assigment Date

01/01/1961 (65 years ago)

A metallic item designed to be used for attaching various parts, such as a guard valve strip, valve strip(s) and the like. May be used in conjunction with a reed strip, valve.

flat seating surface shape, 3.025 inches nominal body outside diameter, 0.218 inches nominal under flange height, 3.500 inches nominal flange diameter, 0.250 inches nominal flange seat to disk end height

Product Characteristics

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

Flange Diameter: 3.500 inches nominal
Body Outside Diameter: 3.025 inches nominal
Flange Seat To Disk End Height: 0.250 inches nominal
Under Flange Height: 0.218 inches nominal
Seating Surface Shape: flat
Special Features: drill two holes 0.154 dia 10-24 thds 1/4 in. deep two screws far side,four holes 0.120 dia 1/4 deep for four dowel pins
Material: copper alloy overall
Style Designator: plain flanged

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
182208PC158	Valve Seat
182233PC158	Valve Seat
188500PC158	Valve Seat
188526PC158	Valve Seat
188535PC158	Valve Seat
188557PC158	Valve Seat
188590PC158	Valve Seat
28CS4E	Valve Seat
W17849PP	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-218-2056?

The FSCG of the NSN 4820-00-218-2056 is 4820

Does the NSN 4820-00-218-2056 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-218-2056 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 4820-00-218-2056 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-218-2056 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 4820-00-218-2056 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961