| MRC | Name | Details |
|---|
| ABHP | OVERALL LENGTH | 28.500 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | FLANGE SINGLE INLET |
| APGF | DESIGN TYPE | WET |
| ARNA | COOLANT TYPE | WATER |
| ARND | MUFFLER DESIGN | DIRECTIONAL VANE |
| ARNE | BAFFLE QUANTITY | 2 |
| ARNF | TUBE QUANTITY | 2 |
| ARNG | BODY SHAPE | ROUND |
| ARNH | OPERATING POSITION | HORIZONTAL |
| ARNK | INLET PROJECTION LENGTH | 3.000 INCHES NOMINAL SINGLE INLET3.000 INCHES NOMINAL |
| ARNL | INLET FLANGE SHAPE | ROUND |
| ARNM | INLET FLANGE MOUNTING PROVISION AND QUANTITY | 8 HOLES |
| ARNN | INLET FLANGE MOUNTING HOLE DIAMETER | 0.875 INCHES NOMINAL SINGLE INLET0.875 INCHES NOMINAL |
| ARNT | INLET FLANGE MOUNTING PROVISION SPACING | 8-1/2 IN. DIA BOLT CIRCLE SINGLE INLET |
| ARTH | OUTLET CONNECTION TYPE | FLANGE 1ST OUTLET |
| ARTJ | OUTLET LOCATION | 4-13/16 IN. C TO C FROM HORIZONTAL CENTER LINE 1ST OUTLET |
| ARTK | OUTLET PROJECTION LENGTH | 3.000 INCHES NOMINAL 1ST OUTLET3.000 INCHES NOMINAL |
| ARTL | OUTLET FLANGE SHAPE | ROUND |
| ARTM | OUTLET FLANGE MOUNTING PROVISION AND QUANTITY | 8 HOLES |
| ARTN | OUTLET FLANGE MOUNTING HOLE DIAMETER | 0.875 INCHES NOMINAL 1ST OUTLET0.875 INCHES NOMINAL |
| ARTP | OUTLET FLANGE MOUNTING STUD LENGTH | ANY ACCEPTABLE |
| ARTT | OUTLET FLANGE MOUNTING PROVISION SPACING | 8.500 IN. DIA BOLT CIRCLE 1ST OUTLET |
| ARWE | WATER INLET CONNECTION TYPE | THREADED |
| ARWF | WATER INLET LOCATION | DIRECTLY ABOVE EXHAUST INLET |
| ARWG | WATER INLET PROJECTION LENGTH | 0.313 INCHES NOMINAL |
| ARWY | WATER INLET THREAD SIZE | 2-11-1/2 |
| ARWZ | WATER INLET THREAD SERIES DESIGNATOR | NPT |
| ARXA | WATER INLET THREAD DIRECTION | RIGHT-HAND |
| ARXB | WATER INLET THREAD LOCATION | INTERNAL |
| MATL | MATERIAL | STEEL |
| MATT | MATERIAL | STEEL |
| SFTT | SURFACE TREATMENT | CERAMIC OR ENAMEL |
| SURF | SURFACE TREATMENT | CERAMIC COATED OR ENAMEL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | B TYPE |
| ZZZX | DEPARTURE FROM CITED DESIGNATOR | "ACQW,ARNJ,ARNK,ARNL,ARNM,ARNN,ARNP,ARNQ,ARNR,ARNS,ARNT,ARNW,ARNX,ACRX,ARSP,ARSQ,ARTE,ARTH,ARTJ,ARTK,ARTL,ARTM,ARTN,ARTP,ARTQ,ARTR,ARTS,ARTT,ARTW,ARTX,ARTY,ARTZ,ARWA,AJLW" |