| Item Name | Muffler Exhaust |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2990 Miscellaneous Engine Accessories Nonaircraft |
| National Item Identification Number (NIIN) | 00-407-4968 (004074968) |
| NCB Code | USA (00) |
| Manufacturer | Deltrol Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 4.125 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | THREADED SINGLE INLET |
| ACRX | INLET THREAD DIRECTION | RIGHT-HAND SINGLE INLET |
| ADAV | OVERALL DIAMETER | 1.750 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 | CENTRALLY LOCATED ON END OF BODY SINGLE INLET |
| ARNK | INLET PROJECTION LENGTH | 1.250 INCHES NOMINAL SINGLE INLET1.250 INCHES NOMINAL |
| ARNW | INLET THREAD SIZE | 3/8-18 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 | CENTRALLY LOCATED ON END OF BODY OPPOSIT INLET |
| ARYA | NONCONNECTION OUTLET SIZE | 0.625 IN. DIA |
| MATT | MATERIAL | STEEL |
| Relevant Components for NSN - 2990-00-407-4968, 2990004074968 | ||||
| 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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