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) | 00-142-0234 (001420234) |
| NCB Code | USA (00) |
| Manufacturer | Desa Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 4.130 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | FLANGE SINGLE INLET |
| ADAV | OVERALL DIAMETER | 3.500 INCHES NOMINAL |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | AIR |
| ARND | MUFFLER DESIGN | BAFFLE |
| ARNE | BAFFLE QUANTITY | 1 |
| ARNG | BODY SHAPE | ROUND |
| ARNH | OPERATING POSITION | UNIVERSAL |
| ARNJ | INLET LOCATION | LOCATED ON SIDE OPPOSITE OUTLET AND OFFSET 0.594 IN. TO RIGHT OF VERTICAL CENTER LINE LOOKING FROM OUTLET END SINGLE INLET |
| ARNK | INLET PROJECTION LENGTH | 1.180 INCHES NOMINAL 1ST OUTLET |
| ARNK | INLET PROJECTION LENGTH | 2.000 INCHES NOMINAL SINGLE INLET |
| ARNL | INLET FLANGE SHAPE | RECTANGLE SINGLE INLET |
| ARNM | INLET FLANGE MOUNTING PROVISION AND QUANTITY | 2 HOLES SINGLE INLET2 HOLES |
| ARNN | INLET FLANGE MOUNTING HOLE DIAMETER | 0.179 INCHES NOMINAL SINGLE INLET0.179 INCHES NOMINAL |
| ARNT | INLET FLANGE MOUNTING PROVISION SPACING | 3.469 IN. C TO C DIM. OF HOLES SINGLE INLET |
| ARXY | NONCONNECTION OUTLET TYPE AND QUANTITY | 101 ROUND HOLE |
| ARXZ | NONCONNECTION OUTLET LOCATION | LOCATED SYMETRICALLY OFFSET ON ALTERNATE CENTER LINES VERTICALLY AND HORIZONTALLY |
| ARYA | NONCONNECTION OUTLET SIZE | HOLES 0.139 IN. MIN,0.144 IN. MAX |
| MATT | MATERIAL | STEEL |
| SFTT | SURFACE TREATMENT | ALUMINUM |
| Relevant Components for NSN - 2990-00-142-0234, 2990001420234 | ||||
| 2915-01-550-3637 (2915015503637) | 2940-01-451-7076 (2940014517076) | 2920-01-149-4490 (2920011494490) | 2940-01-150-3292 (2940011503292) | |
| 2915-00-031-7553 (2915000317553) | 2910-00-367-4598 (2910003674598) | 2910-01-230-9051 (2910012309051) | 2925-01-086-5506 (2925010865506) | |
| 2995-01-592-6829 (2995015926829) | 2915-00-607-5805 (2915006075805) | 2990-12-344-7810 (2990123447810) | 2915-00-697-6026 (2915006976026) | |
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