drain cock


Also found in: Acronyms.

drain cock

A small cock or faucet, at the lowest point in a tank, for draining off the liquid.
References in periodicals archive ?
If the fuel is free of contaminants and water--water will appear as various-sized beads in the container bottom--close the drain cock.
Open the separator (located behind the oil filter compartment door) by turning its drain cock counter-clockwise.
Fix that problem by ordering and installing a drain cock, NSN 4820-00-752-9040, in place of the drain plug.
Open the separator--located on the roadside behind the cab--by turning its drain cock clockwise.
The Railway Reserves The Right To Order Entire Or Bulk Quantity From Clw Approved Firms For All Sizes Of Isolating Cock Ball Type And Drain Cock Ball Type The Status Of The Firm Shall Be Reckoned As On The Date Of Tender Opening And Not Thereafter, Unless The Case Of Downgrading- Removal- Suspension- Banning.
The Railway Reserves The Right To Order Entire Or Bulk Quantity From Clw Approved Firms For All Sizes Of Isolaiting Cock Balltype And Drain Cock Ball Type The Status Of The Firm Shall Be Reckoned As On The Date Of Tender Opening And Not Thereafter, Unless The Case Of Downgrading- Removal- Suspension- Banning.