RD238-A2B1

View detailed technical data, stock status, and sourcing information for: RD238-A2B1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-134-9378

Item Name Code

03263

Assigment Date

07/14/1982 (44 years ago)

0.127 inches minimum and 0.129 inches maximum inside diameter, 0.260 inches nominal counterbore diameter, 2 setscrew hole quantity, 0.080 inches nominal counterbore depth, 0.170 inches minimum and 0.210 inches maximum distance from hole center to knob/skirt base

Product Characteristics

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

Inside Diameter: 0.127 inches minimum and 0.129 inches maximum
Counterbore Diameter: 0.260 inches nominal
Counterbore Depth: 0.080 inches nominal
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.170 inches minimum and 0.210 inches maximum
Overall Depth: 0.320 inches minimum and 0.340 inches maximum
Gripping Surface Condition: grip aid
Shaft Accommodation Style: flatted one side
Outside Diameter: 0.480 inches minimum and 0.520 inches maximum
Reference Marking: indicator line
Attachment Method: setscrews
Inside Width: 0.098 inches minimum and 0.118 inches maximum
Overall Thickness: 0.420 inches minimum and 0.460 inches maximum
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 40 screw hole
Nominal Thread Size: 0.112 inches screw hole
Style Designator: round
Thread Series Designator: unc screw hole

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
RD238-A2B1	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-134-9378?

The FSCG of the NSN 5355-01-134-9378 is 5355

Does the NSN 5355-01-134-9378 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-134-9378 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 5355-01-134-9378 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-01-134-9378 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 5355-01-134-9378 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Wed, Jul 14, 1982