51C2MB

View detailed technical data, stock status, and sourcing information for: 51C2MB
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-075-1017

Item Name Code

03263

Assigment Date

04/13/1979 (47 years ago)

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.

0.177 inches minimum counterbore depth, 0.300 inches minimum counterbore diameter, 0.325 inches maximum distance from hole center to knob/skirt base, 2 setscrew hole quantity, 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: 0.300 inches minimum
Counterbore Depth: 0.177 inches minimum
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.325 inches maximum
Overall Depth: 0.560 inches minimum
Gripping Surface Condition: grip aid
Shaft Accommodation Style: counterbored
Outside Diameter: 0.490 inches minimum and 0.530 inches maximum
Skirt Style: flared
Reference Marking: arrow
Attachment Method: setscrews
Overall Thickness: 0.625 inches minimum and 0.685 inches maximum
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 40 screw hole
Nominal Thread Size: 0.112 inches screw hole
Skirt Outside Diameter: 0.900 inches maximum
Skirt Design: nondetachable
Color: red
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
0F1R	Knob
505-3WA-1RM	Knob
51C2MB	Knob
MS91528-0F1R	Knob
R50-3-1G	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-075-1017?

The FSCG of the NSN 5355-01-075-1017 is 5355

Does the NSN 5355-01-075-1017 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-075-1017 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 5355-01-075-1017 contain precious materials?

Precious metal content is unknown

Does NSN 5355-01-075-1017 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 5355-01-075-1017 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Fri, Apr 13, 1979