MOP = DR
Internal Fluid-carrying Passages Filled with Preservativele
PRESERVE BY METHOD 30 AS FOLLOWS: EACH UNIT SHALL HAVE ALL INTERNAL FLUID-CARRYING PASSAGES, WHICH ARE NOT PRELUBRICATED, FILLED WITH THE SPECIFIED PRESERVATIVE, ALLOWING SPACE FOR INTERNAL THERMAL EXPANSION. IF FILLING IS NOT PRACTICAL, THE UNIT SHALL BE INTERNALLY FOG-SPRAYED OR FLUSHED, THEN DRAINED TO THE DRIP POINT. ALL PORTS, FITTINGS, OPENINGS, ETC., SHALL BE CAPPED OR PLUGGED WITH NON-CORROSIVE (NON-INTERACTING) METAL CAPS OR PLUGS CONFORMING TO NAS 847 OR EQUIVALENT. ALL HYDRAULIC PRESERVATIVE OPERATING FLUID USED SHALL BE FILTERED THROUGH A 3 MICRON ABSOLUTE FILTER PRIOR TO BEING USED AS SPECIFIED ABOVE. EXTERIOR BARE METAL SURFACES, SUBJECT TO CORROSION, SHALL BE COATED WITH COMPOUND CONFORMING TO MIL-PRF-16173, GRADE 2 OR MIL-C-11796, CLASS 3. UNIT SHALL BE WRAPPED WITH A GREASEPROOF WRAP CONFORMING TO MIL-PRF-121 OR EQUIVALENT; SEAL SEAMS WITH ASTM-D5486 TAPE TO EFFECT A MEASURE OF WATERPROOFNESS AND PREVENT UNWRAPPING. THE UNIT MUST BE ADEQUATELY CUSHIONED WITH MATERIAL SPECIFIED AND PLACED IN A GRADE V3C CONTAINER FABRICATED IN ACCORDANCE WITH ASTM-D5118 (AS A MINIMUM), STYLE FOL OR CSSC. ALL SEAMS, CORNERS, AND MANUFACTURER'S JOINT SHALL BE TAPE-SEALED WITH TWO INCH TAPE CONFORMING TO ASTM-D5486, TYPE III OR IV.
| Champ | MOP — Method of Preservation |
|---|---|
| Code | DR |
| Signification | Internal Fluid-carrying Passages Filled with Preservativele |
Dernière mise à jour : 2026-05-26. Publié par DAITK™ selon le dictionnaire des codes FLIS de la U.S. Defense Logistics Agency (DLA), régi par le DoD 4100.39-M — la référence de catalogage officielle du gouvernement américain. Données de référence autorisées, reproduites avec attribution, non extraites.