| Item Name | Muffler Exhaust |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2990 Miscellaneous Engine Accessories Nonaircraft |
| National Item Identification Number (NIIN) | 00-633-6245 (006336245) |
| NCB Code | USA (00) |
| Manufacturer | Alexander Tagg Industries Inc, Cummins Power Generation Ltd, Cecom Lr Center |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 25.380 INCHES MINIMUM AND 25.630 INCHES MAXIMUM |
| ACQW | INLET CONNECTION TYPE | FLANGE SINGLE INLET |
| ACQW | INLET CONNECTION TYPE | THREADED 1ST OUTLET |
| ACRX | INLET THREAD DIRECTION | RIGHT-HAND SINGLE INLET |
| ADAV | OVERALL DIAMETER | 7.880 INCHES MINIMUM AND 8.120 INCHES MAXIMUM |
| AJLW | OUTLET INSIDE DIAMETER | 3.520 INCHES NOMINAL 1ST OUTLET3.520 INCHES NOMINAL |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | AIR |
| ARND | MUFFLER DESIGN | STRAIGHT THROUGH |
| ARNG | BODY SHAPE | ROUND |
| ARNJ | INLET LOCATION | 4. 250 IN. VERTICALLY CENTERLINE FROM END SINGLE INLET |
| ARNK | INLET PROJECTION LENGTH | 2.750 INCHES NOMINAL SINGLE INLET2.750 INCHES NOMINAL |
| ARNL | INLET FLANGE SHAPE | SQUARE SINGLE INLET |
| ARNM | INLET FLANGE MOUNTING PROVISION AND QUANTITY | 4 HOLES SINGLE INLET4 HOLES |
| ARNN | INLET FLANGE MOUNTING HOLE DIAMETER | 0.408 INCHES NOMINAL SINGLE INLET0.408 INCHES NOMINAL |
| ARNT | INLET FLANGE MOUNTING PROVISION SPACING | 4.250 IN. C TO C DIM. OF MTG HOLES SINGLE INLET |
| ARNW | INLET THREAD SIZE | 4-8 SINGLE INLET |
| ARNX | INLET THREAD SERIES DESIGNATOR | NPT SINGLE INLET |
| ARSP | INLET THREAD LOCATION | EXTERNAL SINGLE INLET |
| ARTH | OUTLET CONNECTION TYPE | UNTHREADED 1ST OUTLET |
| ARTJ | OUTLET LOCATION | ON THE SIDE 3.500 IN. C OF OUTLET TO END OF BODY OPPOSTIE INLET 1ST OUTLET |
| ARTK | OUTLET PROJECTION LENGTH | 3.000 INCHES NOMINAL 1ST OUTLET3.000 INCHES NOMINAL |
| MATT | MATERIAL | STEEL |
| SFTT | SURFACE TREATMENT | PAINT |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-T-704,TYPE A MIL SPEC SINGLE TREATMENT RESPONSE |
| Relevant Components for NSN - 2990-00-633-6245, 2990006336245 | ||||
| 2915-00-406-2708 (2915004062708) | 2910-00-367-3609 (2910003673609) | 2915-00-798-6708 (2915007986708) | 2910-01-249-3378 (2910012493378) | |
| 2915-00-349-3367 (2915003493367) | 2990-01-533-4818 (2990015334818) | 2990-01-666-9705 (2990016669705) | 2945-01-324-4862 (2945013244862) | |
| 2995-00-434-0834 (2995004340834) | 2930-00-077-1498 (2930000771498) | 2910-01-591-0752 (2910015910752) | 2930-01-382-8691 (2930013828691) | |
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