| Item Name | Muffler Exhaust |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2990 Miscellaneous Engine Accessories Nonaircraft |
| National Item Identification Number (NIIN) | 01-037-1190 (010371190) |
| NCB Code | USA (01) |
| Manufacturer | Mcculloch Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 4.308 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 0.885 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 2.620 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | FLANGE SINGLE INLET |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | AIR |
| ARNG | BODY SHAPE | RECTANGULAR |
| ARNH | OPERATING POSITION | VERTICAL |
| ARNJ | INLET LOCATION | ON SIDE OF BODY SINGLE INLET |
| ARNL | INLET FLANGE SHAPE | OVAL SINGLE INLET |
| ARNM | INLET FLANGE MOUNTING PROVISION AND QUANTITY | 2 HOLES SINGLE INLET2 HOLES |
| ARNN | INLET FLANGE MOUNTING HOLE DIAMETER | 0.190 INCHES NOMINAL SINGLE INLET0.190 INCHES NOMINAL |
| ARNT | INLET FLANGE MOUNTING PROVISION SPACING | 1.808 IN. C TO C DIM. OF MTG HOLES SINGLE INLET |
| ARXY | NONCONNECTION OUTLET TYPE AND QUANTITY | 1 SLOTTED |
| ARXZ | NONCONNECTION OUTLET LOCATION | ON SIDE OF BODY |
| ARYA | NONCONNECTION OUTLET SIZE | 1.200 IN. BY 0.500 IN. |
| FEAT | SPECIAL FEATURES | TWO MTG HOLES THRU INLET,ONE MTG HOLE THRU BODY |
| MATT | MATERIAL | STEEL |
| SFTT | SURFACE TREATMENT | OXIDE |
| Relevant Components for NSN - 2990-01-037-1190, 2990010371190 | ||||
| 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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