Acronym: IFRU

Category: NASA Acronyms Meaning / Stands for: In-Flight Replacement Unit

Other acronyms from this category

	Acronym	Meaning
	OAS	Orbiter Avionics System
	SUMS	Shuttle Upper-Atmosphere Mass Spectrometer
	SM	Shuttle Management (KSC)
	ESR	Engineering Support Request
	QPS	Quality Planning Specification
	PM	Preventive Maintenance
	FPL	Full Power Level
	PDCR	Proprietary Data Control Record
	U/L	Uplink (UPLK Preferred)
	LS	Left Side