The MS91528-5N2B is a military-standard (MIL-SPEC) plain round instrument knob. Measuring approximately 2.23 inches in diameter (58 mm), it features a matte black finish, a robust corrosion-resistant metal insert, and set screws for secure mounting to a 0.250 inch (6.35 mm) round shaft.

Key Specifications

• Type: Plain Round Instrument Knob

• Diameter: 2.23" (57 - 58 mm)

• Shaft Hole Size: 0.25" (0.250)

• Material: High-impact polycarbonate with aluminum insert

• Color: FED-STD-595 Matte Black

• Mounting: 2 Set Screws (typically 4-40 UNC)

Each order is for one knob.

From a non-smoking and pet free setting.

Shipping & Policies:

​Prompt Shipping: Your items will be carefully packed and shipped without delay via USPS. You can choose either Ground Advantage or Priority at checkout.

​Combined Shipping: I'm happy to combine shipping with my other items when practical. To get an updated total, please use the "request invoice" feature on the eBay website. This option is not available on the mobile app.

Returns: I accept returns only if the item is substantially not as described. Please do your due diligence and ensure the item is what you need. I do not accept returns because you changed your mind about the purchase.

​Questions? If you have special shipping requests or any other questions, please contact me before ordering to ensure a smooth transaction.

​Thanks for looking, and be sure to check out my other listing