NSN Part Numbers List by NSN 2990-00-122-0644 (2990001220644)

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Item Name Muffler Exhaust
INC Code 10849
Federal Supply Group (FSG) Engine Accessories
Federal Supply Class (FSC) 2990 Miscellaneous Engine Accessories Nonaircraft
National Item Identification Number (NIIN) 00-122-0644 (001220644)
NCB Code USA (00)
Part Number Manufacturer Item Name QTY RFQ
414KX1 3-4 donaldson company inc muffler exhaust Avl RFQ
500800 elder and co muffler exhaust Avl RFQ
TCU01-5022 donaldson company inc muffler exhaust Avl RFQ

Technical Characteristics of NSN 2990001220644

MRCCriteriaCharacteristic
ABHPOVERALL LENGTH15.125 INCHES NOMINAL
ACQWINLET CONNECTION TYPEUNTHREADED SINGLE INLET
ADAVOVERALL DIAMETER4.125 INCHES NOMINAL
APGFDESIGN TYPEDRY
ARNACOOLANT TYPEAIR
ARNDMUFFLER DESIGNBAFFLE
ARNEBAFFLE QUANTITY2
ARNFTUBE QUANTITY2
ARNGBODY SHAPEROUND
ARNJINLET LOCATIONLOCATED ON SIDE OF BODY SINGLE INLET
ARNKINLET PROJECTION LENGTH1.500 INCHES NOMINAL SINGLE INLET1.500 INCHES NOMINAL
ARTEINLET INSIDE DIAMETER1.625 INCHES NOMINAL SINGLE INLET1.625 INCHES NOMINAL
ARTHOUTLET CONNECTION TYPEUNTHREADED 1ST OUTLET
ARTJOUTLET LOCATIONCENTRALLY LOCATED IN END SECTION OF BODY 1ST OUTLET
ARTKOUTLET PROJECTION LENGTH1.125 INCHES NOMINAL 1ST OUTLET1.125 INCHES NOMINAL
ARWAOUTLET OUTSIDE DIAMETER1.750 INCHES NOMINAL 1ST OUTLET1.750 INCHES NOMINAL
FEATSPECIAL FEATURESOUTLET END TO BE A 45.0 DEG ELBOW
MATTMATERIALSTEEL
SFTTSURFACE TREATMENTALUMINUM

Relevant Components for NSN - 2990-00-122-0644, 2990001220644
2915-00-074-2276 (2915000742276) 2990-01-602-4900 (2990016024900) 2915-01-356-1658 (2915013561658) 2915-00-588-8799 (2915005888799)
2915-00-349-3382 (2915003493382) 2915-00-673-4948 (2915006734948) 2915-01-388-3014 (2915013883014) 2920-00-734-7237 (2920007347237)
2990-12-344-7727 (2990123447727) 2915-00-940-9998 (2915009409998) 2910-00-459-6624 (2910004596624) 2930-01-414-4806 (2930014144806)

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