4820-00-127-7554

Find complete technical information, availability, and procurement data for: 4820-00-127-7554
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-127-7554

Item Name Code

47223

Assigment Date

01/01/1963 (63 years ago)

A manually operated valve designed to release combustion chamber pressure in reciprocating internal combustion engines to ease starting effort. May be designed to close automatically after engine starts.

1.590 in. od of head; 1.375 in. od of body; split ring furnished for groove around outside periphery of body special features, copper alloy body material

Product Characteristics

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

Special Features: 1.590 in. od of head; 1.375 in. od of body; split ring furnished for groove around outside periphery of body
Material: copper alloy body

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
514667	Compression Release Valve

FAQs

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

What is the FSCG of the NSN 4820-00-127-7554?

The FSCG of the NSN 4820-00-127-7554 is 4820

Does the NSN 4820-00-127-7554 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-127-7554 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 4820-00-127-7554 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-127-7554 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 4820-00-127-7554 was assigned to the Federal Catalog?

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