Mfg Part Number: 21891
NSN : 2990-01-025-9931
NIIN : 010259931
CAGE Code : 79260
Manufacturer: Walker Mfg Co
Item Name : Muffler Exhaust
Here at Internet For Aviation, we have 21891 Muffler Exhaust from Walker Mfg Co, as well as a variety of other parts from reliable manufacturers. As the only independent distributor with a No China Sourcing policy, we go to great lengths to ensure that we source responsibly when it comes to certified standard items. If you’re in need of a specific 21891 to aid you in your aircraft repair capabilities, simply search by NSN part number, NSN or Cage Code on our parts directory. Submit an instant RFQ and a representative will get back to you in as little as 15 minutes.
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| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 2990-01-025-9931 Item Description: Muffler Exhaust | 2990 | 010259931 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 21891 | 5 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AALW | INSULATION MATERIAL | ASBESTOS |
| ARTK | OUTLET PROJECTION LENGTH | 2.500 INCHES NOMINAL |
| ARSQ | INLET OUTSIDE DIAMETER | ANY ACCEPTABLE |
| ARWA | OUTLET OUTSIDE DIAMETER | ANY ACCEPTABLE |
| ABHP | OVERALL LENGTH | 31.000 INCHES NOMINAL |
| AJLW | OUTLET INSIDE DIAMETER | 1.750 INCHES NOMINAL |
| ARTE | INLET INSIDE DIAMETER | 1.875 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | ALUMINUM ALLOY |
| ARND | MUFFLER DESIGN | MULTIPASS |
| ARTJ | OUTLET LOCATION | OFFSET IN END SECTION OF BODY 1.250 IN. C OF OUTLET TO C OF BODY |
| ARNK | INLET PROJECTION LENGTH | 2.500 INCHES NOMINAL |
| APGF | DESIGN TYPE | JACKETED |
| ARNH | OPERATING POSITION | ANY ACCEPTABLE |
| ARTH | OUTLET CONNECTION TYPE | UNTHREADED |
| MATL | MATERIAL | STEEL |
| ARNJ | INLET LOCATION | OFFSET IN END SECTION OF BODY 1.250 IN. C OF INLET TO @C OF BODY |
| MATT | MATERIAL | STEEL |
| SURF | SURFACE TREATMENT | ALUMINIZED |
| ADAV | OVERALL DIAMETER | 5.000 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | UNTHREADED |
| ARNF | TUBE QUANTITY | 3 |
| ARNG | BODY SHAPE | ROUND |
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