6620-01-523-4953

Find complete technical information, availability, and procurement data for: 6620-01-523-4953
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6620 Engine Instruments

National Stock Number

6620-01-523-4953

Item Name Code

53189

Assigment Date

09/07/2004 (21 years ago)

A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.

1.647 inches nominal overall length, deltadyne differential pressure indicator assy (non-resettable) ;ch-53a/d/e end item identification, inavy: pressure indicator part name assigned by controlling agency, 0.804 inches minimum and 0.808 inches maximum overall diameter, 1 indicator component type and quantity

Product Characteristics

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

Overall Length: 1.647 inches nominal
Overall Diameter: 0.804 inches minimum and 0.808 inches maximum
End Item Identification: deltadyne differential pressure indicator assy (non-resettable) ;ch-53a/d/e
Component Type And Quantity: 1 indicator
Part Name Assigned By Controlling Agency: inavy: pressure indicator
Special Features: "deltadyne is a matched assembly, parts may not be purchased separately and are not necessarily interchangable. non-resettable. actuation pressure: 24 psid + or - 3 psi. system pressure: 100-120 psi; proof: 250 psi; burst: 400 psi. temperature range: -65 to +300 degrees f. fluid: lubricating oil(mil-l-7808, mil-l-23699). once actuated the button remains in the actuated position until the indicator is inverted and manually depressed. thermal lockout: a bimetal element is provided which prevents actuation below 125 degrees f, permits actuation above 155 degrees f. has a red indicator button , extends 3/16" when actuated (annodized and dyed red) top surface of indicator button to be clear."

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
RD858GL05XY1	Pressure Indicator Subassembly
RD858GL05XY1832	Pressure Indicator Subassembly

FAQs

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

What is the FSCG of the NSN 6620-01-523-4953?

The FSCG of the NSN 6620-01-523-4953 is 6620

Does the NSN 6620-01-523-4953 have a Schedule B code assigned?

Yes, the Schedule B code is 9026200000

Does NSN 6620-01-523-4953 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 6620-01-523-4953 contain precious materials?

Item does not contain precious metal.

Does NSN 6620-01-523-4953 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 6620-01-523-4953 was assigned to the Federal Catalog?

It was assigned 21 years ago, on Tue, Sep 7, 2004