| Item Name | Muffler Exhaust |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2990 Miscellaneous Engine Accessories Nonaircraft |
| National Item Identification Number (NIIN) | 00-221-4433 (002214433) |
| NCB Code | USA (00) |
| Manufacturer | W W Grainger Inc, Gardner Denver Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 2.000 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | THREADED SINGLE INLET |
| ACRX | INLET THREAD DIRECTION | RIGHT-HAND SINGLE INLET |
| ADAV | OVERALL DIAMETER | 2.250 INCHES NOMINAL |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | AIR |
| ARND | MUFFLER DESIGN | STRAIGHT THROUGH |
| ARNG | BODY SHAPE | ROUND |
| ARNH | OPERATING POSITION | UNIVERSAL |
| ARNJ | INLET LOCATION | CENTER OF END SECTION SINGLE INLET |
| ARNK | INLET PROJECTION LENGTH | 0.812 INCHES NOMINAL SINGLE INLET0.812 INCHES NOMINAL |
| ARNW | INLET THREAD SIZE | 0.375-18 SINGLE INLET |
| ARNX | INLET THREAD SERIES DESIGNATOR | NPT SINGLE INLET |
| ARSP | INLET THREAD LOCATION | EXTERNAL SINGLE INLET |
| ARXY | NONCONNECTION OUTLET TYPE AND QUANTITY | 1 ROUND HOLE |
| ARXZ | NONCONNECTION OUTLET LOCATION | CENTER OF END SECTION |
| ARYA | NONCONNECTION OUTLET SIZE | 1.750 IN. DIA |
| FEAT | SPECIAL FEATURES | FOAM RUBBER FILTER |
| MATT | MATERIAL | STEEL |
| Relevant Components for NSN - 2990-00-221-4433, 2990002214433 | ||||
| 2990-01-536-0912 (2990015360912) | 2925-01-269-3859 (2925012693859) | 2940-01-597-5286 (2940015975286) | 2920-00-496-4663 (2920004964663) | |
| 2935-01-213-9714 (2935012139714) | 2995-01-319-8755 (2995013198755) | 2990-12-178-0081 (2990121780081) | 2945-00-876-5908 (2945008765908) | |
| 2915-01-131-8740 (2915011318740) | 2915-00-488-3801 (2915004883801) | 2990-01-167-7192 (2990011677192) | 2910-00-941-3256 (2910009413256) | |
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