DigiKey part number 1734-1497-ND. TE Connectivity part number HDP24-18-6PN
The N suffix calls out a Green Ring Seal.
The T suffix calls out a Gray Ring Seal.
Link to Data Sheet: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=8-1773982-0&DocType=Catalog%20Section&DocLang=English&DocFormat=pdf&PartCntxt=HDP24-18-6PN
Screen shot from Data Sheet.
