Quote for 21175 Walker Mfg Co Part with NSN 2990-00-657-4839

Part Number:  21175
Manufacturer:  walker mfg co
NIIN:  6574839
Item Name :  muffler exhaust
CAGE Code:  79260
INC Code:  10849
Country:  USA
NCB Code:  00
FSG:  29 Engine Accessories
Last Updated:  01-28-2026

Are you looking quote for part 21175? The Walker Mfg Co-manufactured component (CAGE Code: 79260) is documented under NSN 2990-00-657-4839 as Muffler Exhaust. For the fastest quote, please complete our RFQ form with details about 21175. We guarantee a response within 15 minutes.

ASAP Components provides the verified 21175, classified under INC 10849, FSG 29 Engine Accessories, FSC 2990 Miscellaneous Engine Accessories Nonaircraft, NIIN 00-657-4839, and NCB 00. Submit your requirements today to receive immediate pricing and availability information.

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NSN Information for Part Number 21175 with NSN 2990-00-657-4839, 2990006574839

NSNFSCNIINCLSHazmatDEMILCancelled NSN
2990-00-657-4839

Item Description:

Muffler Exhaust

29900065748390N
CIICHCCESDPMICCriticalityENAC
U U
Part NumberISCRNVCRNCCHCCMSDSSADC
21175225

Characteristics Data of NSN 2990-00-657-4839, 2990006574839

MRCCriteriaCharacteristic
ABHPOVERALL LENGTH26.880 INCHES NOMINAL
ACQWINLET CONNECTION TYPEUNTHREADED
ADAVOVERALL DIAMETER7.000 INCHES NOMINAL
AJLWOUTLET INSIDE DIAMETER3.025 INCHES NOMINAL
APGFDESIGN TYPEDRY
ARNACOOLANT TYPEAIR
ARNDMUFFLER DESIGNBAFFLE
ARNEBAFFLE QUANTITY5
ARNFTUBE QUANTITY2
ARNGBODY SHAPEROUND
ARNHOPERATING POSITIONVERTICAL
ARNJINLET LOCATIONCENTRALLY LOCATED IN TOP END SECTION OF BODY
ARNKINLET PROJECTION LENGTH2.750 INCHES NOMINAL
ARSQINLET OUTSIDE DIAMETER3.125 INCHES NOMINAL
ARTEINLET INSIDE DIAMETER3.025 INCHES NOMINAL
ARTHOUTLET CONNECTION TYPEUNTHREADED
ARTJOUTLET LOCATIONLOCATED CENTRALLY IN BOTTOM END SECTION OF BODY
ARTKOUTLET PROJECTION LENGTH2.750 INCHES NOMINAL
ARWAOUTLET OUTSIDE DIAMETER3.125 INCHES NOMINAL
MATTMATERIALSTEEL,SAE 1010 THRU 1020,GRADE M
SFTTSURFACE TREATMENTALUMINUM
ZZZVIII FSC APPLICATION DATAENGINE,GASOLINE,NON-AIRCRAFT

Schedule B & Trade

End Use : 30230 Other parts and accessories of vehicles
Schedule B : 8708925000 (NAICS 336390) Mufflers and exhaust pipes for vehicles, nesoi
SITC : 78439 Parts and accessories n.E.S. For tractors, motor cars and other motor vehicles, trucks, public-transport vehicles and road motor vehicles, n.E.S.

Identification

CRITL The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
HMIC N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
PMIC U - Precious metal content is unknown

NSN Management Codes

AAC V
Classification Control U
MGMT_CTL 9c--00-
Quantity per pack 1
Repariability
Shelf Life N/A
SOS S9c
Unit of Measure Ea

Freight Information

ACC: V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing
ADC: A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
LTL: W - Rating variable
NMFC: 125850 - Muffler/exhaust sys/pipe/etc
SHC: 9 - Other or no special handling required (sh)
TCC: Z - No special type of cargo code applicable
WCC: 593 - Motors and parts, (machinery and parts),(less than 35 feet)

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