DOD—Department  of  Defense. DON—Department Of Navy. DOP—Designated  overhaul  point. DSF—Defense    stock    fund,    document    status file.   document   stock   file,   or   data   services facility. DTG—Date-time group identifies date and time a message  was  transmitted  and  who  the  releasing activity was. DTPL—Dispersed  technical  publications  library. EGRESS—A means of going out of or ejecting from an aircraft. EHR—Equipment history record. EOC—Equipment  Operational  Capability  code. ESD—Electrostatic   discharge. EXBEP—Expeditious  repair. FAD—Force/activity  designator. FCF—Functional  check  flight. FOD—Foreign  object  damage. FSC—Federal  supply  classification. HSU—Hydraulic fluid service unit. ICBL—Individual component repair list. I-LEVEL  MAINTENANCE—Maintenance  performed at the intermediate level as designated by the NAMP,  OPNAVINST  4790.2. IMA—Intermediate  maintenance  activity. IMRL—Individual Material Readiness List. IPB—Illustrated  parts  breakdown. JCN—Job control number. LHA—Helicopter  assault  landing  ship. LOX—Liquid  oxygen. LPA—Amphibious  assault  ship. LRCA—Local repair cycle asset. MAF—Maintenance  Action  Form. MCIU—Master  Cross-Reference  List. MDR—Maintenance  Data  Report. MDS—Maintenance  Data  System. MDU—Material  delivery  unit. MEASURE—Metrology   Automated   System   for Uniform Recall and Reporting. MEK—Methyl  ethyl  keytone. METCAL—Metrology  and  Calibration  Program. MI—Maintenance  instruction. MILSTRIP—Military  Standard  Requisitioning  Issue Procedure. MIM—Maintenance  instruction  manual. ML-N—Management  data  list  Navy. MMCO—Maintenance material control officer. MMP—Monthly  maintenance  plan. MRC—Maintenance  requirements  card. MRIL—Master Repairable Item List. MS—Military  specification. MSR—Module  service  record. MTIR—Mandatory turn-in repairable. NA—NAVAIR. NADEP—Naval  aviation  depot. NALCOMIS—Naval  Aviation  Logistics  Command Management  Information  System. NAMDRP—Naval Aviation Maintenance Discrepancy  Reporting  Program. NAMP—Naval  Aviation  Maintenance  Program. NAPI—Naval  Aeronautic  Publications  Index. NARU—Naval air reserve unit. NATOPS—Naval   Air   Training   and   Operating Procedures  Standardization. NATSF, NAVAIRTECHSERVFAC—Naval air technical services facility. NAVAIR,NAVAIRSYSCOM—Naval Air Systems Command. NAVAIRINST —Naval    Air    Systems    Command instruction. NAVAVNDEPOT —Naval  aviation  depot. NAVOSH—Naval  Occupational  Safety  and  Health. NAVSEA—Naval  Sea  Systems  Command. NAVSUP—Naval  Supply  Systems  Command. NC—Not  carried. NDI—Nondestructive  inspection. AI-2