6390K52

View detailed technical data, stock status, and sourcing information for: 6390K52
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-680-4287

Item Name Code

03263

Assigment Date

05/03/2019 (7 years ago)

A value designed to automatically maintain within close limits a predetermined pressure within a closed system regardless of the higher fluctuating or constant inlet pressure. The excess pressure is by-passed to the accumulator or reservoir in lieu of passing through the entire system. It is designed primarily for use in refrigeration and air conditioning systems. Excludes:valve, regulating, fluid pressure and valve, calibrated flow.

round shaft accommodation style, 14.0 millimeters nominal inside diameter, 32.0 millimeters nominal width, 4 fluted foil quantity, right-hand thread direction

Product Characteristics

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

Thread Direction: right-hand
Inside Diameter: 14.0 millimeters nominal
Width: 32.0 millimeters nominal
Fluted Foil Quantity: 4
Shaft Accommodation Style: round
Attachment Method: screw on
Overall Thickness: 11.0 millimeters nominal
Nominal Thread Size: 6.0 millimeters stud
Part Name Assigned By Controlling Agency: plastic four-arm knob
Special Features: stud length 30 mm, hub diameter 14mm, temperature range minus 40 degrees to 165 degrees f, rohs compliant
Color: black
Material: plastic and steel corrosion resisting
Style Designator: fluted foils
Thread Series Designator: m stud

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
6390K52	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-680-4287?

The FSCG of the NSN 5355-01-680-4287 is 5355

Does the NSN 5355-01-680-4287 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-680-4287 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 5355-01-680-4287 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-01-680-4287 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 5355-01-680-4287 was assigned to the Federal Catalog?

It was assigned 7 years ago, on Fri, May 3, 2019