KB-500B-1/8

View detailed technical data, stock status, and sourcing information for: KB-500B-1/8
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-181-8121

Item Name Code

03263

Assigment Date

06/15/1984 (42 years ago)

An item designed to transmit manual, rotary or linear motion to other devices. May include detachable or nondetachable stud (shaft), pointer, or skirt. It may have reference markings in the form of dots, arrows, hairlines, and/or symbols which may be used in conjunction with a calibrated panel, vernier indicator, and the like to indicate the position or motion of items. For items having spokes or simulated spokes radiating from near the center to near the outside rim of the item and relatively thin round disk-shaped items 3 inches (76.2 mm) in diameter or over, see handwheel. For items calibrated in units or series of divisions to denote relative positioning of devices see dial, control. Excludes:doorknob; and handle (as modified).

2 setscrew hole quantity, 0.118 inches minimum counterbore depth, 0.126 inches nominal inside diameter, 0.375 inches minimum counterbore diameter, 0.315 inches nominal 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: 0.126 inches nominal
Counterbore Diameter: 0.375 inches minimum
Counterbore Depth: 0.118 inches minimum
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.315 inches nominal
Overall Depth: 0.630 inches nominal
Gripping Surface Condition: grip aid
Shaft Accommodation Style: counterbored
Outside Diameter: 0.500 inches nominal
Skirt Style: ring
Reference Marking: indicator line
Attachment Method: setscrews
Overall Thickness: 0.787 inches nominal
Material Transparency: opaque
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.138 inches screw hole
Skirt Outside Diameter: 0.472 inches nominal
Skirt Design: nondetachable
Special Features: ref marking is on top of knob
Style Designator: crown
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
KB-500B-1/8	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-181-8121?

The FSCG of the NSN 5355-01-181-8121 is 5355

Does the NSN 5355-01-181-8121 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-181-8121 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 5355-01-181-8121 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-01-181-8121 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 5355-01-181-8121 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Fri, Jun 15, 1984