| Item Name | Muffler Exhaust |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2990 Miscellaneous Engine Accessories Nonaircraft |
| National Item Identification Number (NIIN) | 00-316-4901 (003164901) |
| NCB Code | USA (00) |
| Manufacturer | Westcott Snyder Mfg Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 20-3D1855P | westcott snyder mfg corp | muffler exhaust | 81334 | RFQ |
| D1855 | westcott snyder mfg corp | muffler exhaust | 81334 | RFQ |
| D1855PC1T040 | westcott snyder mfg corp | muffler exhaust | 81334 | RFQ |
| E1866PC20-3P | westcott snyder mfg corp | muffler exhaust | 81334 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 81.688 INCHES NOMINAL |
| ACQW | INLET CONNECTION TYPE | FLANGE 1ST OUTLET |
| ACQW | INLET CONNECTION TYPE | UNTHREADED SINGLE INLET |
| ADAV | OVERALL DIAMETER | 39.688 INCHES NOMINAL |
| AJLW | OUTLET INSIDE DIAMETER | 13.625 INCHES NOMINAL 1ST OUTLET13.625 INCHES NOMINAL |
| APGF | DESIGN TYPE | WET |
| ARNA | COOLANT TYPE | WATER |
| ARND | MUFFLER DESIGN | STRAIGHT THROUGH |
| ARNG | BODY SHAPE | ROUND |
| ARNH | OPERATING POSITION | HORIZONTAL |
| ARNJ | INLET LOCATION | LOCATED 24-1/2 IN. FROM CENTER TO FLAT END OF MUFFLER ON LEFT SIDE LOOKING AFT SINGLE INLET |
| ARNK | INLET PROJECTION LENGTH | 24.000 INCHES NOMINAL SINGLE INLET24.000 INCHES NOMINAL |
| ARNL | INLET FLANGE SHAPE | ROUND SINGLE INLET |
| ARNM | INLET FLANGE MOUNTING PROVISION AND QUANTITY | 19 HOLES SINGLE INLET19 HOLES |
| ARNN | INLET FLANGE MOUNTING HOLE DIAMETER | 1.000 INCHES NOMINAL SINGLE INLET1.000 INCHES NOMINAL |
| ARNT | INLET FLANGE MOUNTING PROVISION SPACING | 17-3/8 IN. DIA BOLT CIRCLE SINGLE INLET |
| ARSQ | INLET OUTSIDE DIAMETER | 19.125 INCHES NOMINAL SINGLE INLET19.125 INCHES NOMINAL |
| ARTE | INLET INSIDE DIAMETER | 13.625 INCHES NOMINAL SINGLE INLET13.625 INCHES NOMINAL |
| ARTH | OUTLET CONNECTION TYPE | FLANGE 2ND OUTLET |
| ARTH | OUTLET CONNECTION TYPE | UNTHREADED 1ST OUTLET |
| ARTJ | OUTLET LOCATION | 34-9/16 IN. FROM CENTER LINE OF INLET TO CENTER LINE OF OUTLET ON LEFT SIDE LOOKING AFT 1ST OUTLET |
| ARTK | OUTLET PROJECTION LENGTH | 24.000 INCHES NOMINAL 1ST OUTLET24.000 INCHES NOMINAL |
| ARTL | OUTLET FLANGE SHAPE | ROUND 1ST OUTLET |
| ARTM | OUTLET FLANGE MOUNTING PROVISION AND QUANTITY | 19 STUDS 1ST OUTLET19 STUDS |
| ARTN | OUTLET FLANGE MOUNTING HOLE DIAMETER | 1.000 INCHES NOMINAL 1ST OUTLET1.000 INCHES NOMINAL |
| ARTT | OUTLET FLANGE MOUNTING PROVISION SPACING | 17-3/8 IN. DIA BOLT CIRCLE 1ST OUTLET |
| ARWA | OUTLET OUTSIDE DIAMETER | 19.125 INCHES NOMINAL 1ST OUTLET19.125 INCHES NOMINAL |
| ARWE | WATER INLET CONNECTION TYPE | UNTHREADED |
| ARWF | WATER INLET LOCATION | CENTER LOCATED 11 IN. FROM CENTER LINE OF EXHAUST INLET |
| ARWG | WATER INLET PROJECTION LENGTH | 24.063 INCHES NOMINAL |
| ARWH | WATER INLET FLANGE SHAPE | ROUND |
| ARWJ | WATER INLET FLANGE BOLT HOLE SPACING | 9-1/2 IN. DIA BOLT CIRCLE |
| ARWK | WATER INLET FLANGE BOLT HOLE QUANTITY | 8 |
| ARWL | WATER INLET FLANGE BOLT HOLE DIAMETER | 0.875 INCHES NOMINAL |
| ARXC | WATER INLET OUTSIDE DIAMETER | 11.000 INCHES NOMINAL |
| ARXD | WATER INLET INSIDE DIAMETER | 6.000 INCHES NOMINAL |
| ARXE | WATER OUTLET CONNECTION TYPE | FLANGE |
| ARXF | WATER OUTLET QUANTITY | 1 |
| ARXG | WATER OUTLET LOCATION | NEAR EXHAUST OUTLET TOWARD CENTER OF MUFFLER |
| ARXH | WATER OUTLET PROJECTION LENGTH | 24.063 INCHES NOMINAL |
| ARXJ | WATER OUTLET FLANGE SHAPE | SQUARE |
| ARXK | WATER OUTLET FLANGE BOLT CIRCLE DIAMETER | 9.500 INCHES NOMINAL |
| ARXL | WATER OUTLET FLANGE BOLT HOLE QUANTITY | 8 |
| ARXM | WATER OUTLET FLANGE BOLT HOLE DIAMETER | 0.875 INCHES NOMINAL |
| ARXW | WATER OUTLET OUTSIDE DIAMETER | 11.000 INCHES NOMINAL |
| ARXX | WATER OUTLET INSIDE DIAMETER | 6.000 INCHES NOMINAL |
| ARYB | HAND HOLE QUANTITY | 2 |
| MATT | MATERIAL | NICKEL ALLOY OR STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-N-894 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-853 MIL SPEC SINGLE MATERIAL RESPONSE |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | PORT |
| Relevant Components for NSN - 2990-00-316-4901, 2990003164901 | ||||
| 2990-01-375-8177 (2990013758177) | 2915-00-150-7331 (2915001507331) | 2920-00-324-3685 (2920003243685) | 2920-00-741-6529 (2920007416529) | |
| 2995-00-915-7733 (2995009157733) | 2940-01-686-2924 (2940016862924) | 2910-01-359-9944 (2910013599944) | 2915-00-367-9295 (2915003679295) | |
| 2995-00-798-8304 (2995007988304) | 2990-00-169-2920 (2990001692920) | 2930-00-322-9520 (2930003229520) | 2995-00-004-1343 (2995000041343) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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