Relier Pairs AVIATION ABBREVIATIONSVersion en ligne Match the abbreviation with the correct meaning. par Steven Rafael Torres Orozco 1 FT 2 SB 3 LB 4 SRM 5 AD 6 SL 7 P.S.I 8 S/N 9 P/N POUND SERVICE LETTER SERIAL NUMBER STRUCTURAL REPAIR MANUAL PART NUMBER SERVICE BULLETIN AIRWORTHINESS DIRECTIVE PRESSURE SQUARE INCH FOOT