| Item Name | Muffler Exhaust |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2990 Miscellaneous Engine Accessories Nonaircraft |
| National Item Identification Number (NIIN) | 00-316-2953 (003162953) |
| NCB Code | USA (00) |
| Manufacturer | Wildfire Pacific Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 10.000 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 8.250 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 3.500 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | RECTANGULAR HOLE SINGLE INLET |
| APGF | DESIGN TYPE | WET |
| ARNA | COOLANT TYPE | WATER |
| ARND | MUFFLER DESIGN | STRAIGHT THROUGH |
| ARNG | BODY SHAPE | RECTANGULAR |
| ARNH | OPERATING POSITION | VERTICAL |
| ARTH | OUTLET CONNECTION TYPE | FLANGE 1ST OUTLET |
| ARTJ | OUTLET LOCATION | ON SIDE OF BODY 1ST OUTLET |
| ARTK | OUTLET PROJECTION LENGTH | 7.500 INCHES NOMINAL 1ST OUTLET7.500 INCHES NOMINAL |
| ARTL | OUTLET FLANGE SHAPE | SQUARE 1ST OUTLET |
| ARTM | OUTLET FLANGE MOUNTING PROVISION AND QUANTITY | 2 HOLES 1ST OUTLET2 HOLES |
| ARTT | OUTLET FLANGE MOUNTING PROVISION SPACING | 2.545 IN. C TO C DIM. OF HOLES 1ST OUTLET |
| ARWB | WATER OUTLET THREAD DIRECTION | RIGHT-HAND |
| ARWE | WATER INLET CONNECTION TYPE | FLANGE |
| ARWF | WATER INLET LOCATION | ON SIDE OF BODY |
| ARWH | WATER INLET FLANGE SHAPE | OVAL |
| ARWJ | WATER INLET FLANGE BOLT HOLE SPACING | 1.440 IN. C TO C DIM. OF HOLES |
| ARWK | WATER INLET FLANGE BOLT HOLE QUANTITY | 2 |
| ARWT | WATER INLET FLANGE BOLT HOLE THREAD SIZE | 1/4-20 |
| ARWW | WATER INLET FLANGE BOLT HOLE THREAD SERIES DESIGNATOR | UNC |
| ARWX | WATER INLET FLANGE BOLT HOLE THREAD DIRECTION | RIGHT-HAND |
| ARXE | WATER OUTLET CONNECTION TYPE | THREADED |
| ARXF | WATER OUTLET QUANTITY | 1 |
| ARXG | WATER OUTLET LOCATION | ON SIDE OF BODY NEXT TO OUTLET FLANGE |
| ARXR | WATER OUTLET THREAD SIZE | 7/16-20 |
| ARXS | WATER OUTLET THREAD SERIES DESIGNATOR | UNF |
| ARXT | WATER OUTLET THREAD LOCATION | INTERNAL |
| FEAT | SPECIAL FEATURES | FOUR UNTHREADED MTG HOLES IN BODY 0.400 IN. DIA BY 2.500 IN. LG,ONE BRASS DRAIN PLUG 0.646 IN. DIA |
| MATT | MATERIAL | ALUMINUM |
| Relevant Components for NSN - 2990-00-316-2953, 2990003162953 | ||||
| 2990-01-375-8177 (2990013758177) | 2915-00-150-7331 (2915001507331) | 2920-00-324-3685 (2920003243685) | 2920-00-741-6529 (2920007416529) | |
| 2995-00-915-7733 (2995009157733) | 2940-01-686-2924 (2940016862924) | 2910-01-359-9944 (2910013599944) | 2915-00-367-9295 (2915003679295) | |
| 2995-00-798-8304 (2995007988304) | 2990-00-169-2920 (2990001692920) | 2930-00-322-9520 (2930003229520) | 2995-00-004-1343 (2995000041343) | |
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