NSN (2990009742168) – NSN 2990-00-974-2168 Parts 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) 00-974-2168 (009742168)
NCB Code USA (00)
Manufacturer Alexander Tagg Industries Inc, A C E S Inc
Part Number Manufacturer Item Name Cage Code RFQ
2293 alexander tagg industries inc muffler exhaust 80672 RFQ
A69001-0 a c e s inc muffler exhaust 33862 RFQ
D2293 alexander tagg industries inc muffler exhaust 80672 RFQ

Technical Characteristics of NSN 2990009742168

MRCCriteriaCharacteristic
ABHPOVERALL LENGTH33.250 INCHES NOMINAL
ACQWINLET CONNECTION TYPEUNTHREADED SINGLE INLET
ADAVOVERALL DIAMETER8.000 INCHES NOMINAL
AJLWOUTLET INSIDE DIAMETER3.520 INCHES NOMINAL 1ST OUTLET3.520 INCHES NOMINAL
APGFDESIGN TYPEDRY
ARNACOOLANT TYPEAIR
ARNDMUFFLER DESIGNDIRECTIONAL VANE W/INTEGRAL SPARK ARRESTOR
ARNGBODY SHAPEROUND
ARNHOPERATING POSITIONHORIZONTAL
ARNJINLET LOCATIONOFFSET IN END SECTION OF BODY 1.625 IN. DIS HORIZONTAL C TO C SINGLE INLET
ARNKINLET PROJECTION LENGTH3.250 INCHES NOMINAL SINGLE INLET3.250 INCHES NOMINAL
ARTEINLET INSIDE DIAMETER3.520 INCHES NOMINAL SINGLE INLET3.520 INCHES NOMINAL
ARTHOUTLET CONNECTION TYPEUNTHREADED 1ST OUTLET
ARTJOUTLET LOCATIONON THE SIDE 3.500 IN. DIS CENTER TO END OF BODY 1ST OUTLET
ARTKOUTLET PROJECTION LENGTH10.500 INCHES NOMINAL 1ST OUTLET10.500 INCHES NOMINAL
FEATSPECIAL FEATURES1.500 IN.NPT PLUG ON OD OF BODY AND 2 MTG BRACKETS ON OUTLET END OF BODY
MATTMATERIALSTEEL
SFTTSURFACE TREATMENTALUMINUM ALLOY

Relevant Components for NSN - 2990-00-974-2168, 2990009742168
2990-01-580-3837 (2990015803837) 2920-01-656-1293 (2920016561293) 2950-01-074-7036 (2950010747036) 2910-01-585-7870 (2910015857870)
2990-01-521-8971 (2990015218971) 2915-00-932-6291 (2915009326291) 2915-00-073-7299 (2915000737299) 2910-01-365-0765 (2910013650765)
2910-01-316-2324 (2910013162324) 2920-01-101-7131 (2920011017131) 2915-00-468-4483 (2915004684483) 2915-01-038-3825 (2915010383825)

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