1447-4

View detailed technical data, stock status, and sourcing information for: 1447-4
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-678-0291

Item Name Code

60396

Assigment Date

01/01/1963 (63 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, 2.812 inches nominal bolt circle diameter, 3.375 inches nominal outside diameter, 12 bolt hole quantity, 0.280 inches nominal hole diameter

Product Characteristics

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

Hole Diameter: 0.280 inches nominal
Outside Diameter: 3.375 inches nominal
Bolt Circle Diameter: 2.812 inches nominal
Material Thickness: 0.016 inches nominal
Bolt Hole Quantity: 12
Material: rubber fabric reinforced
Style Designator: flat
Reference Number Differentiating Characteristics: cleaning, packaging, and marking iaw the latest revision of mil-std-1330

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
1447-4	Flat Valve Diaphragm

FAQs

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

What is the FSCG of the NSN 4820-00-678-0291?

The FSCG of the NSN 4820-00-678-0291 is 4820

Does the NSN 4820-00-678-0291 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-678-0291 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 4820-00-678-0291 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-678-0291 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 4820-00-678-0291 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963