1278100-2

View detailed technical data, stock status, and sourcing information for: 1278100-2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-153-7543

Item Name Code

03263

Assigment Date

05/16/1983 (43 years ago)

A detachable part in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. It may be divided into two or more segments of 180 degrees (3.141 radians) or less. The item has a cylindrical bore and is basically spherical in its exterior design to allow for shaft misalignment. Excludes:bearing, plain, self-aligning.

1 setscrew hole quantity, 0.656 inches nominal counterbore diameter, 0.250 inches minimum and 0.252 inches maximum inside diameter, 0.406 inches nominal distance from hole center to knob/skirt base, 0.281 inches nominal counterbore depth

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 minimum and 0.252 inches maximum
Counterbore Diameter: 0.656 inches nominal
Counterbore Depth: 0.281 inches nominal
Setscrew Hole Quantity: 1
Distance From Hole Center To Knob/Skirt Base: 0.406 inches nominal
Overall Depth: 0.562 inches nominal
Width: 0.812 inches nominal
Gripping Surface Condition: smooth
Shaft Accommodation Style: counterbored
Length: 1.312 inches nominal
Reference Marking: indicator line and 2
Attachment Method: setscrews
Overall Thickness: 0.781 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
Pointer Design: nondetachable
Style Designator: bar with single pointer
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
1278100-2	Knob
1777012-2	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-153-7543?

The FSCG of the NSN 5355-01-153-7543 is 5355

Does the NSN 5355-01-153-7543 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-153-7543 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 5355-01-153-7543 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-01-153-7543 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 5355-01-153-7543 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Mon, May 16, 1983