R1-503

View detailed technical data, stock status, and sourcing information for: R1-503
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-510-5526

Item Name Code

03263

Assigment Date

07/30/1974 (52 years ago)

0.125 inches nominal inside diameter, 0.215 inches nominal distance from hole center to knob/skirt base, 0.090 inches nominal counterbore depth, 0.375 inches nominal counterbore diameter, 2 setscrew hole quantity

Product Characteristics

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

Inside Diameter: 0.125 inches nominal
Counterbore Diameter: 0.375 inches nominal
Counterbore Depth: 0.090 inches nominal
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.215 inches nominal
Overall Depth: 0.375 inches nominal
Gripping Surface Condition: grip aid
Shaft Accommodation Style: counterbored
Outside Diameter: 0.500 inches nominal
Reference Marking: dot
Attachment Method: setscrews
Overall Thickness: 0.500 inches nominal
Screw Drive Type: hexagon socket
Color: red
Style Designator: round

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
4501-0940	Knob
R1-503	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-510-5526?

The FSCG of the NSN 5355-00-510-5526 is 5355

Does the NSN 5355-00-510-5526 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-510-5526 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 5355-00-510-5526 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-00-510-5526 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 5355-00-510-5526 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Tue, Jul 30, 1974