121A4MC

View detailed technical data, stock status, and sourcing information for: 121A4MC
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-241-5705

Item Name Code

03263

Assigment Date

09/28/1986 (39 years ago)

2 setscrew hole quantity, smooth gripping surface condition, 0.260 inches maximum distance from hole center to knob/skirt base, 0.252 inches minimum and 0.254 inches maximum inside diameter, 0.455 inches minimum 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: 0.260 inches maximum
Overall Depth: 0.455 inches minimum
Gripping Surface Condition: smooth
Shaft Accommodation Style: round
Outside Diameter: 1.240 inches minimum and 1.280 inches maximum
Attachment Method: setscrews
Overall Thickness: 0.670 inches minimum and 0.730 inches maximum
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.164 inches screw hole
Color: gray, fed std 595, 36231
Material: plastic
Style Designator: round
Thread Series Designator: unc screw hole
Specification/Standard Data: 96906-ms91528 government standard

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
121A4MC	Knob
512-1-2GM	Knob
58425-000	Knob
G125-1-2G	Knob
G12L2R	Knob
MIL-K-3926 MATERIAL VARI0US	Knob
MS91528-3N2G	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-241-5705?

The FSCG of the NSN 5355-01-241-5705 is 5355

Does the NSN 5355-01-241-5705 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-241-5705 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 5355-01-241-5705 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-01-241-5705 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 5355-01-241-5705 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sun, Sep 28, 1986