AT25440

View detailed technical data, stock status, and sourcing information for: AT25440
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-199-8239

Item Name Code

03263

Assigment Date

01/25/1985 (41 years ago)

An item intended to be mounted on or associated with a rotating shaft or similar device to determine relative position or definite dial and/or scale readings. Positioning may be indicated by the shape of the item or by a reference line thereon. Excludes:cursor, indicator and knob.

concave shank style, 2 setscrew hole quantity, 0.510 inches nominal shank diameter, 0.190 inches nominal inside diameter, 0.190 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: 0.190 inches nominal
Shank Diameter: 0.510 inches nominal
Shank Style: concave
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.190 inches nominal
Gripping Surface Condition: smooth
Shaft Accommodation Style: round
Outside Diameter: 1.180 inches nominal
Shank Radius: 0.430 inches nominal
Reference Marking: d and line
Attachment Method: setscrews and screw on
Overall Thickness: 0.820 inches nominal
Material Transparency: opaque
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.164 inches screw hole
Special Features: there are 5 horizontal lines to left of-d,shaft accommodation hole is threaded,0.190 in. dia,32 threads,unf
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
AT25440	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-199-8239?

The FSCG of the NSN 5355-01-199-8239 is 5355

Does the NSN 5355-01-199-8239 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-199-8239 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 5355-01-199-8239 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-01-199-8239 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 5355-01-199-8239 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Jan 25, 1985