| Item Name | Muffler Exhaust |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2990 Miscellaneous Engine Accessories Nonaircraft |
| National Item Identification Number (NIIN) | 01-064-3221 (010643221) |
| NCB Code | USA (01) |
| Manufacturer | Standard Manufacturing Co Inc, Donaldson Company Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 3B1087C1 | standard manufacturing co inc | muffler exhaust | 98296 | RFQ |
| 512SM1-1-4 | donaldson company inc | muffler exhaust | 91435 | RFQ |
| SMU01-5055 | donaldson company inc | muffler exhaust | 18265 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 12.000 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | THREADED SINGLE INLET |
| ACRX | INLET THREAD DIRECTION | RIGHT-HAND SINGLE INLET |
| ADAV | OVERALL DIAMETER | 4.875 INCHES MINIMUM AND 5.125 INCHES MAXIMUM |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | AIR |
| ARND | MUFFLER DESIGN | DIRECTIONAL VANE W/INTEGRAL SPARK ARRESTOR |
| ARNE | BAFFLE QUANTITY | 3 |
| ARNG | BODY SHAPE | ROUND |
| ARNH | OPERATING POSITION | HORIZONTAL |
| ARNJ | INLET LOCATION | CENTRALLY LOCATED IN END SECTION OF BODY SINGLE INLET |
| ARNK | INLET PROJECTION LENGTH | 3.000 INCHES NOMINAL SINGLE INLET3.000 INCHES NOMINAL |
| ARNW | INLET THREAD SIZE | 1-1/4-11-1/2 SINGLE INLET |
| ARNX | INLET THREAD SERIES DESIGNATOR | NPT SINGLE INLET |
| ARSP | INLET THREAD LOCATION | EXTERNAL SINGLE INLET |
| ARTH | OUTLET CONNECTION TYPE | THREADED 1ST OUTLET |
| ARTJ | OUTLET LOCATION | CENTRALLY LOCATED IN END SECTION OF BODY 1ST OUTLET |
| ARTK | OUTLET PROJECTION LENGTH | 3.000 INCHES NOMINAL 1ST OUTLET3.000 INCHES NOMINAL |
| ARTW | OUTLET THREAD SIZE | 1-1/4-11-1/2 1ST OUTLET |
| ARTX | OUTLET THREAD SERIES DESIGNATOR | NPT 1ST OUTLET |
| ARTY | OUTLET THREAD DIRECTION | RIGHT-HAND 1ST OUTLET |
| ARTZ | OUTLET THREAD LOCATION | EXTERNAL 1ST OUTLET |
| FEAT | SPECIAL FEATURES | CARBON CLEANOUT TUBE WITH CAP LOCATED ON LOWER PART OF BODY |
| MATT | MATERIAL | STEEL |
| SFTT | SURFACE TREATMENT | ALUMINUM ALLOY |
| Components Related to NSN - 2990-01-064-3221, 2990010643221 | ||||
| 2915-01-696-2934 (2915016962934) | 2930-01-242-2991 (2930012422991) | 2915-00-931-2837 (2915009312837) | 2990-01-362-2240 (2990013622240) | |
| 2915-00-162-1381 (2915001621381) | 2995-00-736-1867 (2995007361867) | 2930-00-577-9968 (2930005779968) | 2925-00-096-5526 (2925000965526) | |
| 2990-00-741-0363 (2990007410363) | 2920-01-227-7781 (2920012277781) | 2920-01-352-2228 (2920013522228) | 2940-01-007-5921 (2940010075921) | |
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