AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Muffler Exhaust |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2990 Miscellaneous Engine Accessories Nonaircraft |
| National Item Identification Number (NIIN) | 01-037-9172 (010379172) |
| NCB Code | USA (01) |
| Manufacturer | Lauson Division, Tecumseh Products Co, General Equipment Co |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 8122-A | lauson division | muffler exhaust | RFQ |
| 31362 | tecumseh products co | muffler exhaust | RFQ |
| 28269 | lauson division | muffler exhaust | RFQ |
| 31362 | lauson division | muffler exhaust | RFQ |
| 28269 | tecumseh products co | muffler exhaust | RFQ |
| 28269 | general equipment co | muffler exhaust | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 2.250 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 5.000 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 3.250 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | FLANGE SINGLE INLET |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | AIR |
| ARND | MUFFLER DESIGN | BAFFLE |
| ARNE | BAFFLE QUANTITY | 1 |
| ARNG | BODY SHAPE | RECTANGULAR |
| ARNH | OPERATING POSITION | VERTICAL |
| ARNJ | INLET LOCATION | LOCATED ON BACK SIDE OF BODY SINGLE INLET |
| ARNK | INLET PROJECTION LENGTH | 0.094 INCHES NOMINAL SINGLE INLET0.094 INCHES NOMINAL |
| ARNL | INLET FLANGE SHAPE | OVAL SINGLE INLET |
| ARNM | INLET FLANGE MOUNTING PROVISION AND QUANTITY | 2 HOLES SINGLE INLET2 HOLES |
| ARNN | INLET FLANGE MOUNTING HOLE DIAMETER | 0.312 INCHES NOMINAL SINGLE INLET0.312 INCHES NOMINAL |
| ARNT | INLET FLANGE MOUNTING PROVISION SPACING | 1.500 C TO C DIM. OF MTG HOLES SINGLE INLET |
| ARXY | NONCONNECTION OUTLET TYPE AND QUANTITY | 23 PERFORATED |
| ARXZ | NONCONNECTION OUTLET LOCATION | IN FRONT OF BODY |
| ARYA | NONCONNECTION OUTLET SIZE | 0.469 IN. DIA |
| MATT | MATERIAL | STEEL |
| Relevant Components for NSN - 2990-01-037-9172, 2990010379172 | ||||
| 2910-00-362-6680 (2910003626680) | 2930-00-364-9190 (2930003649190) | 2930-00-657-6128 (2930006576128) | 2995-01-313-0691 (2995013130691) | |
| 2915-00-931-5119 (2915009315119) | 2920-01-448-1346 (2920014481346) | 2910-01-684-5450 (2910016845450) | 2930-01-389-2291 (2930013892291) | |
| 2910-00-605-5306 (2910006055306) | 2910-01-546-5626 (2910015465626) | 2920-01-644-6835 (2920016446835) | 2910-00-214-6784 (2910002146784) | |
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