Dash Number 021 O-Rings | McMaster-Carr

Filter by

Cross Section Shape

Dash Number

System of Measurement

ID

Width

Material

OD

Hardness

Color

Fractional OD

Fractional Width

Fractional ID

Core Material

Hardness Rating

Thickness

For Use With

Maximum Temperature

Core Color

Specifications Met

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

RoHS

Minimum Temperature

Food Industry Standard

Environment

How can we improve?

42 Products

Sealing

O-Rings

Fit snugly into a groove between parts to create a leak-resistant seal

Backup Rings

Extend the life of O-rings and improve their performance under high pressure

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)