Also known as: blk.
BLK has various meanings in the Army & Military category. Discover the full forms, definitions, and usage contexts of BLK in Army & Military.
Simulating the nitriding operation without introducing nitrogen. This is usually accomplished by using an inert material in place of the nitriding agent or by applying a suitable protective coating to the ferrous alloy. OR Solid metal disk or plate inserted into a line to prevent the flow of gases or liquids through the line. OR Blank1 The character entered by pressing the spacebar. also space character.
Army & MilitaryLast updated: