MS21384-12FBB

View detailed technical data, stock status, and sourcing information for: MS21384-12FBB
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-241-5138

Item Name Code

03263

Assigment Date

09/27/1986 (39 years ago)

An item designed to transmit manual, rotary or linear motion to other devices. May include detachable or nondetachable stud (shaft), pointer, or skirt. It may have reference markings in the form of dots, arrows, hairlines, and/or symbols which may be used in conjunction with a calibrated panel, vernier indicator, and the like to indicate the position or motion of items. For items having spokes or simulated spokes radiating from near the center to near the outside rim of the item and relatively thin round disk-shaped items 3 inches (76.2 mm) in diameter or over, see handwheel. For items calibrated in units or series of divisions to denote relative positioning of devices see dial, control. Excludes:doorknob; and handle (as modified).

0.126 inches minimum and 0.128 inches maximum inside diameter, 0.310 inches nominal distance from hole center to knob/skirt base, 2 setscrew hole quantity, grip aid gripping surface condition, 0.500 inches maximum 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: 0.126 inches minimum and 0.128 inches maximum
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.310 inches nominal
Overall Depth: 0.500 inches maximum
Gripping Surface Condition: grip aid
Shaft Accommodation Style: flatted one side
Outside Diameter: 1.000 inches nominal
Skirt Style: flared
Attachment Method: setscrews
Inside Width: 0.106 inches minimum and 0.110 inches maximum
Overall Thickness: 0.620 inches nominal
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 40 screw hole
Nominal Thread Size: 0.112 inches screw hole
Skirt Outside Diameter: 1.000 inches nominal
Skirt Design: nondetachable
Pointer Design: nondetachable
Style Designator: skirted/round with concave top
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
L321300010	Knob
MS21384-12FB	Knob
MS21384-12FBB	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-241-5138?

The FSCG of the NSN 5355-01-241-5138 is 5355

Does the NSN 5355-01-241-5138 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-241-5138 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 5355-01-241-5138 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-01-241-5138 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 5355-01-241-5138 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sat, Sep 27, 1986