224B4MA

View detailed technical data, stock status, and sourcing information for: 224B4MA
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-644-4086

Item Name Code

03263

Assigment Date

01/01/1963 (63 years ago)

0.320 inches minimum counterbore depth, 0.252 inches minimum and 0.254 inches maximum inside diameter, 0.685 inches minimum counterbore diameter, 0.489 inches maximum distance from hole center to knob/skirt base, 2 setscrew hole quantity

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Inside Diameter: 0.252 inches minimum and 0.254 inches maximum
Counterbore Diameter: 0.685 inches minimum
Counterbore Depth: 0.320 inches minimum
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.489 inches maximum
Overall Depth: 0.740 inches minimum
Width: 2.826 inches minimum and 2.901 inches maximum
Gripping Surface Condition: grip aid
Shaft Accommodation Style: counterbored
Skirt Style: stepped
Attachment Method: setscrews
Overall Thickness: 1.732 inches minimum and 1.832 inches maximum
Material Transparency: opaque
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.164 inches screw hole
Skirt Outside Diameter: 2.185 inches maximum
Skirt Design: nondetachable
Color: black, lusterless
Style Designator: round with crank
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Below is a list of NSNs that have been officially superseded by this NSN: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
5355-00-668-3402	No Name Available	01/02/1975

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
224B4MA	Knob
225-6-2G	Knob
4147600-033	Knob
5S2B	Knob
KMS22S2L	Knob
KMS22S2LNR	Knob
MS91528-5S2B	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-644-4086?

The FSCG of the NSN 5355-00-644-4086 is 5355

Does the NSN 5355-00-644-4086 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-644-4086 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 5355-00-644-4086 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-00-644-4086 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 5355-00-644-4086 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963