4820-00-098-5178

Find complete technical information, availability, and procurement data for: 4820-00-098-5178
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-098-5178

Item Name Code

40088

Assigment Date

01/01/1961 (65 years ago)

An item constructed of one or more layers of thin flexible material, either laminated or separated, designed to form a tight seal between the chambers of a valve, and to transmit pressure inducted motion to a valve disk either directly or through a mechanical linkage. The surface of the item must be formed or molded to have a beaded or rolled edge, ribs or any other raised surfaces. The item may contain bolt holes and/or center holes. Excludes:diaphra gm, valve, flat and gasket.

0.016 inches nominal material thickness, 3.000 inches nominal bolt circle diameter, 0.188 inches nominal hole diameter, 3.500 inches nominal outside diameter, 7 bolt hole quantity

Product Characteristics

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

Hole Diameter: 0.188 inches nominal
Outside Diameter: 3.500 inches nominal
Bolt Circle Diameter: 3.000 inches nominal
Material Thickness: 0.016 inches nominal
Bolt Hole Quantity: 7
Material: rubber synthetic
Style Designator: special shaped

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
2250-16	Special Actuator Valve Diaphragm

FAQs

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

What is the FSCG of the NSN 4820-00-098-5178?

The FSCG of the NSN 4820-00-098-5178 is 4820

Does the NSN 4820-00-098-5178 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-098-5178 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 4820-00-098-5178 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-098-5178 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 4820-00-098-5178 was assigned to the Federal Catalog?

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