4820-01-081-2643

Find complete technical information, availability, and procurement data for: 4820-01-081-2643
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-081-2643

Item Name Code

35224

Assigment Date

08/10/1979 (47 years ago)

An externally threaded cylindrical item, usually containing a fusible core, or a tapered smooth finished press-in insert made entirely of metallic eutectic substance. If without core, the item may be machined internally or have provisions to accomodate same. It is a safety device for aircraft wheels (prevents heat induced tire explosion), boilers, compressors, and similar equipment.

steel comp 347 material, 4 holes 1.250 in. cbore 0.156 in. d special features, aisi comp 347 assn std single material response material document and classification, 4.376 inches minimum and 4.380 inches maximum outside diameter, butterfly style designator

Product Characteristics

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

Outside Diameter: 4.376 inches minimum and 4.380 inches maximum
Special Features: 4 holes 1.250 in. cbore 0.156 in. d
Material: steel comp 347
Material Document And Classification: aisi comp 347 assn std single material response
Style Designator: butterfly

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
DYLZ594	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-01-081-2643?

The FSCG of the NSN 4820-01-081-2643 is 4820

Does the NSN 4820-01-081-2643 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-081-2643 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 4820-01-081-2643 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-081-2643 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 4820-01-081-2643 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Fri, Aug 10, 1979