Acronym: HAC

Category: NASA Acronyms Meaning / Stands for: Heading Alignment Cylinder

Other acronyms from this category

	Acronym	Meaning
	SAAMA	San Antonio Air Material Area
	NEA	Noise Equivalent Angle
	CSE	Configuration Switching EquiPment
	TOI	Transfer Orbit Insertion
	ESVS	Escape Suit Ventilation System
	LM	Long Module
	PFC	Performance Flight Certification
	RED	Reduction
	RIT	Request For Interface Tool
	RWM	Read/Write Memory