4IN-N1

View detailed technical data, stock status, and sourcing information for: 4IN-N1
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-482-4285

Item Name Code

40088

Assigment Date

03/09/1972 (54 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.

9.000 inches nominal overall length, 2.375 inches nominal overall height, 12.000 inches nominal radius, 0.625 inches nominal hole diameter, 11.250 inches nominal overall width

Product Characteristics

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

Hole Diameter: 0.625 inches nominal
Radius: 12.000 inches nominal
Overall Length: 9.000 inches nominal
Overall Height: 2.375 inches nominal
Overall Width: 11.250 inches nominal
Material Thickness: 0.340 inches nominal
Center To Center Distance Between Bolt Holes Along Width: 5.875 inches nominal
Center To Center Distance Between Bolt Holes Along Length: 8.125 inches nominal
Bolt Hole Quantity: 8
Special Features: material: rubber, synthetic, fabric reinforced
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
4IN-N1	Special Actuator Valve Diaphragm
SVA500-15A4-600N1	Special Actuator Valve Diaphragm

FAQs

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

What is the FSCG of the NSN 4820-00-482-4285?

The FSCG of the NSN 4820-00-482-4285 is 4820

Does the NSN 4820-00-482-4285 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-482-4285 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 4820-00-482-4285 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-482-4285 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 4820-00-482-4285 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Thu, Mar 9, 1972