| Item Name | Muffler Exhaust |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2990 Miscellaneous Engine Accessories Nonaircraft |
| National Item Identification Number (NIIN) | 01-443-1191 (014431191) |
| NCB Code | USA (01) |
| Manufacturer | Beaird Industries Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| MP-31 SIZE 4.5 IN | beaird industries inc | muffler exhaust | 11839 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AALW | INSULATION MATERIAL | FIBERGLASS |
| ABHP | OVERALL LENGTH | 36.000 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | UNTHREADED |
| ADAV | OVERALL DIAMETER | 10.750 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | 170 PATROL COASTAL |
| APGF | DESIGN TYPE | WET |
| ARND | MUFFLER DESIGN | STRAIGHT THROUGH |
| ARNG | BODY SHAPE | ROUND |
| ARNH | OPERATING POSITION | VERTICAL |
| ARNK | INLET PROJECTION LENGTH | 3.000 INCHES NOMINAL |
| ARNL | INLET FLANGE SHAPE | ROUND |
| ARNN | INLET FLANGE MOUNTING HOLE DIAMETER | 4.500 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | MUFFLER MP 31 WET MARINEARNNJAA4.500 |
| MATL | MATERIAL | STEEL, CORROSION RESISTING |
| SURF | SURFACE TREATMENT | ZINC CHROMATE |
| Relevant Components for NSN - 2990-01-443-1191, 2990014431191 | ||||
| 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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