MS21385-04FNN

View detailed technical data, stock status, and sourcing information for: MS21385-04FNN
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-031-1494

Item Name Code

03263

Assigment Date

11/20/1976 (49 years ago)

0.252 inches minimum and 0.254 inches maximum inside diameter, smooth gripping surface condition, 0.310 inches nominal distance from hole center to knob/skirt base, 2 setscrew hole quantity, 0.620 inches nominal overall 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: 0.252 inches minimum and 0.254 inches maximum
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.310 inches nominal
Overall Depth: 0.620 inches nominal
Gripping Surface Condition: smooth
Shaft Accommodation Style: flatted one side
Skirt Style: flared
Reference Marking: arrow
Attachment Method: setscrews
Inside Width: 0.222 inches minimum and 0.224 inches maximum
Overall Thickness: 0.750 inches nominal
Width Across Flats: 0.770 inches nominal
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.164 inches screw hole
Skirt Outside Diameter: 0.880 inches nominal
Skirt Design: nondetachable
Special Features: 0.380 in. counterbore diameter,0.160 in. counterbore depth. illuminated knob
Color: gray, fed std 595, 36231
Material: plastic or aluminum alloy
Style Designator: hexagon
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
MS21385-04FNN	Knob
MS21385-24	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-031-1494?

The FSCG of the NSN 5355-01-031-1494 is 5355

Does the NSN 5355-01-031-1494 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-031-1494 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 5355-01-031-1494 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-01-031-1494 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 5355-01-031-1494 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sat, Nov 20, 1976