What is the part number for the bottom grid?

The grid is 8442.01600.075 -American Standard Tech Team

What is the outside diameter of the top of the sink lip

Jjh, Thanks for the question about the American Standard 18SB.7001600 sink. The outside diameter of the sink is 16-3/8". Your American Standard Consumer Connection Team.

Can a garbage disposal be attached to this sink?

A garbage disposal could be installed in this sink, but a different drain would have to be used. Your American Standard Consumer Connection Team.

Description says undermount. All photos show drop in. Which is it? Thks.

Amazon Customer, a top-mount or under-mount installation can be done with this model. Sincerely, your American Standard Consumer Connections Team.

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Description

✨ Upgrade Your Sink Game! ✨

BUILT TO LAST - Durable construction backed by a limited lifetime warranty.
COMPLETE PACKAGE - Includes drain and strainer for hassle-free installation.
ELEVATE YOUR SPACE - Transform your kitchen with a sleek, modern design.
EFFORTLESS MAINTENANCE - Simply wipe clean for a spotless shine.
WHISPER QUIET EXPERIENCE - Enjoy peace and tranquility with advanced sound deadening.

The American Standard 18SB.7001600S.075 Portsmouth Round Bar Sink is a premium 16" round sink crafted from durable 18-gauge stainless steel. Designed for undermount installation, it features advanced sound deadening technology and multi-layer insulation for a quiet, condensation-free experience. This sink comes complete with a drain and strainer, ensuring a seamless addition to your modern kitchen.

Specifications

Brand	American Standard
Color	Stainless Steel
Material	Stainless Steel
Product Dimensions	16.38"D x 16.38"W x 6.19"H
Style	Modern
Installation Type	Undermount
Finish Type	Stainless Steel
Shape	Round
Drain Type	Grid
Item Weight	9.5 Pounds
Product Care Instructions	Wipe with Dry Cloth
Assembly Required	Yes
Manufacturer	American Standard
Part Number	18SB.7001600S.075
Item Weight	9.5 pounds
Country of Origin	Vietnam
Item model number	18SB.7001600S.075
Finish	Stainless Steel
Item Package Quantity	1
Number of Handles	1
Usage	Inside
Included Components	Sink, Drain, Strainer
Batteries Required?	No
Warranty Description	Limited Lifetime Warranty on Sink; 1 year Limited Warranty on all accessories

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