| Item Name | Muffler Exhaust |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-115-0970 (011150970) |
| NCB Code | USA (01) |
| Manufacturer | Allied Witan Co, Marotta Controls Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 4.465 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | THREADED |
| ACRX | INLET THREAD DIRECTION | RIGHT-HAND |
| ADAV | OVERALL DIAMETER | 1.845 INCHES NOMINAL |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | ANY ACCEPTABLE |
| ARND | MUFFLER DESIGN | BAFFLE |
| ARNE | BAFFLE QUANTITY | 1 |
| ARNG | BODY SHAPE | ROUND |
| ARNH | OPERATING POSITION | ANY ACCEPTABLE |
| ARNJ | INLET LOCATION | CENTRALLY LOCATED IN END SECTION OF BODY |
| ARNK | INLET PROJECTION LENGTH | 0.650 INCHES NOMINAL |
| ARNW | INLET THREAD SIZE | 0.438-20 |
| ARNX | INLET THREAD SERIES DESIGNATOR | UNF |
| ARSP | INLET THREAD LOCATION | EXTERNAL |
| ARXY | NONCONNECTION OUTLET TYPE AND QUANTITY | 1 PERFORATED |
| ARXZ | NONCONNECTION OUTLET LOCATION | OUTER PERIPHERY OF BODY |
| ARYA | NONCONNECTION OUTLET SIZE | 1.590 IN. DIA BY 2.570 IN. LG |
| MATL | MATERIAL | STEEL, CORROSION RESISTING AND PHENOL |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| Components Related to NSN - 4820-01-115-0970, 4820011150970 | ||||
| 4810-01-567-7671 (4810015677671) | 4820-00-811-2684 (4820008112684) | 4820-12-350-7803 (4820123507803) | 4810-01-606-1449 (4810016061449) | |
| 4820-01-235-1424 (4820012351424) | 4820-01-282-2547 (4820012822547) | 4820-00-936-3987 (4820009363987) | 4820-99-471-4151 (4820994714151) | |
| 4820-01-189-0797 (4820011890797) | 4820-01-123-0285 (4820011230285) | 4820-01-501-6459 (4820015016459) | 4810-00-719-6365 (4810007196365) | |
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