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) | 00-470-3516 (004703516) |
| NCB Code | USA (00) |
| Manufacturer | Beaird Industries Inc, Military Specifications |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MNBS5IN | beaird industries inc | muffler exhaust | RFQ |
| MUW2-10-5A7724 | beaird industries inc | muffler exhaust | RFQ |
| MILM15337TYPEB | military specifications | muffler exhaust | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 28.500 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | FLANGE SINGLE INLET |
| ADAV | OVERALL DIAMETER | 18.500 INCHES NOMINAL |
| APGF | DESIGN TYPE | WET |
| ARNA | COOLANT TYPE | WATER |
| ARND | MUFFLER DESIGN | DIRECTIONAL VANE |
| ARNE | BAFFLE QUANTITY | 2 |
| ARNF | TUBE QUANTITY | 2 |
| ARNG | BODY SHAPE | ROUND |
| ARNH | OPERATING POSITION | HORIZONTAL |
| ARNJ | INLET LOCATION | 4-1/4 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 | 0.875 INCHES NOMINAL SINGLE INLET0.875 INCHES NOMINAL |
| ARNT | INLET FLANGE MOUNTING PROVISION SPACING | 8-1/2 IN. DIA BOLT CIRCLE SINGLE INLET |
| ARTH | OUTLET CONNECTION TYPE | FLANGE 1ST OUTLET |
| ARTJ | OUTLET LOCATION | 4-13/16 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 | 0.875 INCHES NOMINAL 1ST OUTLET0.875 INCHES NOMINAL |
| ARTT | OUTLET FLANGE MOUNTING PROVISION SPACING | 8.500 IN. DIA BOLT CIRCLE 1ST OUTLET |
| ARWE | WATER INLET CONNECTION TYPE | THREADED |
| ARWF | WATER INLET LOCATION | DIRECTLY ABOVE EXHAUST INLET |
| ARWG | WATER INLET PROJECTION LENGTH | 0.313 INCHES NOMINAL |
| ARWY | WATER INLET THREAD SIZE | 2-11-1/2 |
| ARWZ | WATER INLET THREAD SERIES DESIGNATOR | NPT |
| ARXA | WATER INLET THREAD DIRECTION | RIGHT-HAND |
| ARXB | WATER INLET THREAD LOCATION | INTERNAL |
| MATT | MATERIAL | STEEL |
| SFTT | SURFACE TREATMENT | CERAMIC OR ENAMEL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | B TYPE |
| ZZZX | DEPARTURE FROM CITED DESIGNATOR | ACQW,ARNJ,ARNK,ARNL,ARNM,ARNN,ARNP,ARNQ,ARNR,ARNS,ARNT,ARNW,ARNX,ACRX,ARSP,ARSQ,ARTE,ARTH,ARTJ,ARTK,ARTL,ARTM,ARTN,ARTP,ARTQ,ARTR,ARTS,ARTT,ARTW,ARTX,ARTY,ARTZ,ARWA,AJLW |
| Relevant Components for NSN - 2990-00-470-3516, 2990004703516 | ||||
| 2910-00-362-6680 (2910003626680) | 2930-00-364-9190 (2930003649190) | 2930-00-657-6128 (2930006576128) | 2995-01-313-0691 (2995013130691) | |
| 2915-00-931-5119 (2915009315119) | 2920-01-448-1346 (2920014481346) | 2910-01-684-5450 (2910016845450) | 2930-01-389-2291 (2930013892291) | |
| 2910-00-605-5306 (2910006055306) | 2910-01-546-5626 (2910015465626) | 2920-01-644-6835 (2920016446835) | 2910-00-214-6784 (2910002146784) | |
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