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.

0.190 inches nominal distance from hole center to knob/skirt base, 0.510 inches nominal shank diameter, concave shank style, 2 setscrew hole quantity, 0.190 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: 0.190 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