AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Muffler Exhaust |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2990 Miscellaneous Engine Accessories Nonaircraft |
| National Item Identification Number (NIIN) | 00-277-3634 (002773634) |
| NCB Code | USA (00) |
| Manufacturer | Seaporcel Metals Inc, Military Specifications, Beaird Industries Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| E1965 | seaporcel metals inc | muffler exhaust | RFQ |
| MILM15337TYPEB | military specifications | muffler exhaust | RFQ |
| MILM15337ATYPEB | military specifications | muffler exhaust | RFQ |
| MUW2-8-4-9108 | beaird industries inc | muffler exhaust | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 23.000 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | FLANGE SINGLE INLET |
| ADAV | OVERALL DIAMETER | 12.875 INCHES NOMINAL |
| APGF | DESIGN TYPE | WET |
| ARNA | COOLANT TYPE | WATER |
| ARND | MUFFLER DESIGN | MULTIPASS |
| ARNF | TUBE QUANTITY | 3 |
| ARNG | BODY SHAPE | ROUND |
| ARNH | OPERATING POSITION | HORIZONTAL |
| ARNJ | INLET LOCATION | 3-3/4 IN. C TO C FROM HORIZONTAL CENTER LINE SINGLE INLET |
| ARNK | INLET PROJECTION LENGTH | 3.000 INCHES NOMINAL SINGLE INLET3.000 INCHES NOMINAL |
| ARNL | INLET FLANGE SHAPE | ROUND SINGLE INLET |
| ARNM | INLET FLANGE MOUNTING PROVISION AND QUANTITY | 8 HOLES SINGLE INLET8 HOLES |
| ARNN | INLET FLANGE MOUNTING HOLE DIAMETER | 0.750 INCHES NOMINAL SINGLE INLET0.750 INCHES NOMINAL |
| ARNT | INLET FLANGE MOUNTING PROVISION SPACING | 7-1/2 IN. DIA BOLT CIRCLE SINGLE INLET |
| ARTH | OUTLET CONNECTION TYPE | FLANGE 1ST OUTLET |
| ARTJ | OUTLET LOCATION | 4-5/16 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 1ST OUTLET |
| ARTM | OUTLET FLANGE MOUNTING PROVISION AND QUANTITY | 8 HOLES 1ST OUTLET8 HOLES |
| ARTN | OUTLET FLANGE MOUNTING HOLE DIAMETER | 0.750 INCHES NOMINAL 1ST OUTLET0.750 INCHES NOMINAL |
| ARTT | OUTLET FLANGE MOUNTING PROVISION SPACING | 7-1/2 IN. DIA BOLT CIRCLE 1ST OUTLET |
| ARWE | WATER INLET CONNECTION TYPE | FLANGE |
| ARWF | WATER INLET LOCATION | DIRECTLY ABOVE EXHAUST INLET |
| ARWG | WATER INLET PROJECTION LENGTH | 0.938 INCHES MINIMUM AND 1.438 INCHES MAXIMUM |
| ARWH | WATER INLET FLANGE SHAPE | ROUND |
| ARWJ | WATER INLET FLANGE BOLT HOLE SPACING | 6-9/16 IN. DIA BOLT CIRCLE |
| ARWK | WATER INLET FLANGE BOLT HOLE QUANTITY | 8 |
| ARWL | WATER INLET FLANGE BOLT HOLE DIAMETER | 0.500 INCHES NOMINAL |
| MATT | MATERIAL | STEEL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | B TYPE |
| ZZZX | DEPARTURE FROM CITED DESIGNATOR | ABHP,ADAV,ACQW,ARNJ,ARNK,ARNL,ARNM,ARNN,ARNT,ARTF,ARTH,ARTJ,ARTK,ARTL,ARTM,ARTN,ARTT,ARWC,ARWE,ARWF,ARWG,ARWH,ARWJ,ARWK,ARWL |
| Relevant Components for NSN - 2990-00-277-3634, 2990002773634 | ||||
| 2915-00-312-7367 (2915003127367) | 2990-01-283-1954 (2990012831954) | 2915-01-199-9756 (2915011999756) | 2990-01-211-8587 (2990012118587) | |
| 2915-01-554-9841 (2915015549841) | 2945-01-018-1335 (2945010181335) | 2990-01-112-5982 (2990011125982) | 2915-01-444-2817 (2915014442817) | |
| 2910-00-364-6145 (2910003646145) | 2915-00-775-2891 (2915007752891) | 2910-01-656-7220 (2910016567220) | 2995-01-112-6994 (2995011126994) | |
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