58139-40078

View detailed technical data, stock status, and sourcing information for: 58139-40078
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-166-0993

Item Name Code

03263

Assigment Date

11/08/1983 (42 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

0.250 inches nominal inside diameter, flatted one side shaft accommodation style, smooth gripping surface condition, 2 setscrew hole quantity, 0.435 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: 0.250 inches nominal
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.435 inches nominal
Gripping Surface Condition: smooth
Shaft Accommodation Style: flatted one side
Outside Diameter: 1.438 inches nominal
Skirt Style: flared
Attachment Method: setscrews
Inside Width: 0.222 inches minimum and 0.227 inches maximum
Overall Thickness: 0.790 inches minimum and 0.840 inches maximum
Screw Drive Type: slot
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.164 inches screw hole
Skirt Outside Diameter: 1.438 inches nominal
Skirt Design: nondetachable
Pointer Design: nondetachable
Special Features: altered from ms91528-1b4b
Material: plastic
Style Designator: round with single pointed bar face
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
58139-40078	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-166-0993?

The FSCG of the NSN 5355-01-166-0993 is 5355

Does the NSN 5355-01-166-0993 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-166-0993 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 5355-01-166-0993 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-01-166-0993 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 5355-01-166-0993 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, Nov 8, 1983