| Item Name | Muffler Exhaust |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2990 Miscellaneous Engine Accessories Nonaircraft |
| National Item Identification Number (NIIN) | 00-776-5027 (007765027) |
| NCB Code | USA (00) |
| Manufacturer | Maremont Corp, Arvin Industries Inc, Harvard Industries Inc, Walker Mfg Co, Goerlichs |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 27.500 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 8.000 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 4.000 INCHES NOMINAL |
| APGF | DESIGN TYPE | DRY |
| ARNA | COOLANT TYPE | AIR |
| ARND | MUFFLER DESIGN | MULTIPASS |
| ARNF | TUBE QUANTITY | 3 |
| ARNG | BODY SHAPE | OVAL |
| ARSQ | INLET OUTSIDE DIAMETER | 2.090 INCHES NOMINAL SINGLE INLET2.090 INCHES NOMINAL |
| ARTH | OUTLET CONNECTION TYPE | UNTHREADED 1ST OUTLET |
| ARWA | OUTLET OUTSIDE DIAMETER | 2.090 INCHES NOMINAL 1ST OUTLET2.090 INCHES NOMINAL |
| ARXY | NONCONNECTION OUTLET TYPE AND QUANTITY | 2 SLOTTED |
| ARXZ | NONCONNECTION OUTLET LOCATION | ON MINOR AXIS |
| ARYA | NONCONNECTION OUTLET SIZE | 3/4 IN. LG BY 1/8 IN. W |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE 1010 ASSN STD SINGLE MATERIAL RESPONSE |
| ACQW | INLET CONNECTION TYPE | UNTHREADED SINGLE INLET |
| ARNH | OPERATING POSITION | HORIZONTAL |
| ARNJ | INLET LOCATION | LOCATED 2-5/8 IN. C TO C FROM HORIZONTAL CENTER LINE SINGLE INLET |
| ARTJ | OUTLET LOCATION | CENTRALLY LOCATED IN END SECTION OF BODY 1ST OUTLET |
| MATT | MATERIAL | STEEL COMP 1010 |
| SFTT | SURFACE TREATMENT | ZINC |
| ZZZV | FSC APPLICATION DATA | ENGINE,GASOLINE,NON-AIRCRAFT |
| Relevant Components for NSN - 2990-00-776-5027, 2990007765027 | ||||
| 2915-00-116-5978 (2915001165978) | 2930-01-124-8263 (2930011248263) | 2990-00-321-8769 (2990003218769) | 2930-00-441-7617 (2930004417617) | |
| 2920-00-856-5268 (2920008565268) | 2915-00-095-0706 (2915000950706) | 2990-01-007-9945 (2990010079945) | 2930-12-315-1618 (2930123151618) | |
| 2990-01-322-9881 (2990013229881) | 2940-00-705-5956 (2940007055956) | 2920-01-642-0622 (2920016420622) | 2930-00-440-6409 (2930004406409) | |
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