KBBC-63250

View detailed technical data, stock status, and sourcing information for: KBBC-63250
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-377-9001

Item Name Code

03263

Assigment Date

08/04/1993 (33 years ago)

An item designed to fit over a packing gland by mating with a surface of a second part which together will retain into a narrow groove or confined space the packing, preformed or o-ring, or an item designed to fit over a rod or shaft, to mate with a stuffing box to confine packing material. It may function as a static or dynamic seal retainer with the packing located on, around, or in the centerline direction of the rod or shaft axis. It may have holes or joints for mounting, be threaded or unthreaded. See also packing nut and packing nut, stuffing tube.

grip aid gripping surface condition, round shaft accommodation style, 0.215 inches nominal distance from hole center to knob/skirt base, 2 setscrew hole quantity, 0.250 inches nominal 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: 0.250 inches nominal
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.215 inches nominal
Gripping Surface Condition: grip aid
Shaft Accommodation Style: round
Outside Diameter: 0.710 inches nominal
Attachment Method: setscrews
Knob Portion Diameter: 0.590 inches nominal
Overall Thickness: 0.840 inches nominal
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 40 screw hole
Nominal Thread Size: 0.250 inches screw hole
Color: black
Material: plastic
Style Designator: round concentric
Thread Series Designator: unc screw hole

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5355-01-346-9262	No Name Available	05/01/1994
5355-01-353-9700	No Name Available	05/01/1994

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
1AE18163401002	Knob
KBBC-63250	Knob
KBRC-50125	Knob
KBRM-71250	Knob
RB-67-1A-8P0	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-377-9001?

The FSCG of the NSN 5355-01-377-9001 is 5355

Does the NSN 5355-01-377-9001 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-377-9001 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 5355-01-377-9001 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-01-377-9001 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 5355-01-377-9001 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Wed, Aug 4, 1993