4820-01-167-4974

Find complete technical information, availability, and procurement data for: 4820-01-167-4974
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-167-4974

Item Name Code

77777

Assigment Date

11/29/1983 (42 years ago)

b-1b aircraft end item identification, semi-circular hinged flappers attached to flange for insertion into 5.000 in. dia tube; flange has ten equally spaced lobes,each containing a 0.281 in. hole centered on 6.375 in. dia circle; overall dia 6.755 in.; operating pressure 21.0 psig; operating temperature -65.0 to 175.0 degrees f general characteristics item description

Product Characteristics

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

End Item Identification: b-1b aircraft
General Characteristics Item Description: semi-circular hinged flappers attached to flange for insertion into 5.000 in. dia tube; flange has ten equally spaced lobes,each containing a 0.281 in. hole centered on 6.375 in. dia circle; overall dia 6.755 in.; operating pressure 21.0 psig; operating temperature -65.0 to 175.0 degrees f

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
FA450C-47-0211	Flapper Check Insert
LE284-0006-0211	Flapper Check Insert

FAQs

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

What is the FSCG of the NSN 4820-01-167-4974?

The FSCG of the NSN 4820-01-167-4974 is 4820

Does the NSN 4820-01-167-4974 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-167-4974 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 4820-01-167-4974 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-167-4974 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 4820-01-167-4974 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, Nov 29, 1983