Recently Updated NSN 2990-00-377-4979 Or (2990003774979) Part List

Item Name Muffler Exhaust
Federal Supply Group (FSG) Engine Accessories
Federal Supply Class (FSC) 2990 Miscellaneous Engine Accessories Nonaircraft
National Item Identification Number (NIIN) 00-377-4979 (003774979)
NCB Code USA (00)
Manufacturer Brighton Cromwell Llc, Gorman Rupp Company The, Wisconsin Motors Llc, L3 Technologies Inc, Ar Bee Corp, Cummins Filtration Inc, Siemens Water Technologies Corp
Part Number Manufacturer Item Name RFQ
ABT2516 brighton cromwell llc muffler exhaust RFQ
142NC gorman rupp company the muffler exhaust RFQ
WD-34 wisconsin motors llc muffler exhaust RFQ
WD34 l3 technologies inc muffler exhaust RFQ
ABT2516 ar bee corp muffler exhaust RFQ
T-2516 cummins filtration inc muffler exhaust RFQ
WPP1696 siemens water technologies corp muffler exhaust RFQ
T-2541 cummins filtration inc muffler exhaust RFQ
2516 cummins filtration inc muffler exhaust RFQ
T-2029 cummins filtration inc muffler exhaust RFQ

Technical Characteristics of NSN 2990003774979

MRCCriteriaCharacteristic
ABHPOVERALL LENGTH5.812 INCHES MINIMUM AND 5.938 INCHES MAXIMUM
ACQWINLET CONNECTION TYPETHREADED SINGLE INLET
ACRXINLET THREAD DIRECTIONRIGHT-HAND SINGLE INLET
ADAVOVERALL DIAMETER4.500 INCHES NOMINAL
APGFDESIGN TYPEDRY
ARNACOOLANT TYPEAIR
ARNDMUFFLER DESIGNMULTIPASS
ARNFTUBE QUANTITY1
ARNGBODY SHAPEROUND
ARNJINLET LOCATIONCENTRALLY LOCATED IN END SECTION OF BODY SINGLE INLET
ARNKINLET PROJECTION LENGTH2.375 INCHES MINIMUM AND 2.500 INCHES MAXIMUM SINGLE INLET
ARNWINLET THREAD SIZE1-1/4-11-1/2 SINGLE INLET
ARNXINLET THREAD SERIES DESIGNATORNPT SINGLE INLET
ARSPINLET THREAD LOCATIONEXTERNAL SINGLE INLET
ARXYNONCONNECTION OUTLET TYPE AND QUANTITY88 PERFORATED
ARXZNONCONNECTION OUTLET LOCATIONLOCATED ON END
ARYANONCONNECTION OUTLET SIZE0.125 IN. DIA
MATTMATERIALSTEEL
SFTTSURFACE TREATMENTPAINT
ZZZVFSC APPLICATION DATA1. EXHAUST AND MUFFLER GROUP,GASOLINE ENGINE,NONAIRCRAFT

Relevant Components for NSN - 2990-00-377-4979, 2990003774979
2910-00-362-6680 (2910003626680) 2930-00-364-9190 (2930003649190) 2930-00-657-6128 (2930006576128) 2995-01-313-0691 (2995013130691)
2915-00-931-5119 (2915009315119) 2920-01-448-1346 (2920014481346) 2910-01-684-5450 (2910016845450) 2930-01-389-2291 (2930013892291)
2910-00-605-5306 (2910006055306) 2910-01-546-5626 (2910015465626) 2920-01-644-6835 (2920016446835) 2910-00-214-6784 (2910002146784)

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