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)

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, 0.260 inches nominal counterbore diameter, 0.127 inches minimum and 0.129 inches maximum inside diameter

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