| 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 |
| Components Related to NSN - 2990-00-407-4968, 2990004074968 | ||||
| 2915-01-170-9371 (2915011709371) | 2910-01-200-9192 (2910012009192) | 2920-01-580-2838 (2920015802838) | 2915-01-209-5077 (2915012095077) | |
| 2940-01-624-5175 (2940016245175) | 2920-00-234-3078 (2920002343078) | 2910-01-188-3253 (2910011883253) | 2940-12-165-8727 (2940121658727) | |
| 2990-00-944-2053 (2990009442053) | 2940-00-362-2411 (2940003622411) | 2910-01-439-4543 (2910014394543) | 2990-01-588-8352 (2990015888352) | |
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