Quote for 21004 Walker Mfg Co Part with NSN 2990-00-753-8420

Part Number:  21004
Manufacturer:  walker mfg co
NIIN:  7538420
Item Name :  muffler exhaust
CAGE Code:  79260
INC Code:  10849
Country:  USA
NCB Code:  00
FSG:  29 Engine Accessories
Last Updated:  02-13-2026

Are you looking quote for part 21004? The Walker Mfg Co-manufactured component (CAGE Code: 79260) is documented under NSN 2990-00-753-8420 as Muffler Exhaust. For the fastest quote, please complete our RFQ form with details about 21004. We guarantee a response within 15 minutes.

ASAP Components provides the verified 21004, classified under INC 10849, FSG 29 Engine Accessories, FSC 2990 Miscellaneous Engine Accessories Nonaircraft, NIIN 00-753-8420, and NCB 00. Submit your requirements today to receive immediate pricing and availability information.

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NSN Information for Part Number 21004 with NSN 2990-00-753-8420, 2990007538420

NSNFSCNIINCLSHazmatDEMILCancelled NSN
2990-00-753-8420

Item PartTypeName:

MUFFLER,EXHAUST

29900075384200N
CIICHCCESDPMICCriticalityENAC
U U
Part NumberISCRNVCRNCCHCCMSDSSADC
1921225

Characteristics Data of NSN 2990-00-753-8420, 2990007538420

MRCCriteriaCharacteristic
AJLWOUTLET INSIDE DIAMETER2.005 INCHES MINIMUM AND 2.010 INCHES MAXIMUM 1ST OUTLET
ARNGBODY SHAPEROUND
ARNHOPERATING POSITIONHORIZONTAL
ARNKINLET PROJECTION LENGTH1.250 INCHES NOMINAL SINGLE INLET1.250 INCHES NOMINAL
ARSQINLET OUTSIDE DIAMETER2.625 INCHES NOMINAL SINGLE INLET2.625 INCHES NOMINAL
ARTEINLET INSIDE DIAMETER2.505 INCHES MINIMUM AND 2.510 INCHES MAXIMUM SINGLE INLET
ARTJOUTLET LOCATIONCENTRALLY LOCATED IN END SECTION OF BODY 1ST OUTLET
ARWAOUTLET OUTSIDE DIAMETER2.188 INCHES NOMINAL 1ST OUTLET2.188 INCHES NOMINAL
ABHPOVERALL LENGTH22.000 INCHES NOMINAL
ACQWINLET CONNECTION TYPEUNTHREADED SINGLE INLET
ADAVOVERALL DIAMETER6.125 INCHES NOMINAL
APGFDESIGN TYPEDRY
ARNACOOLANT TYPEAIR
ARNDMUFFLER DESIGNSTRAIGHT THROUGH
ARNJINLET LOCATIONCENTRALLY LOCATED IN END SECTION OF BODY SINGLE INLET
ARTHOUTLET CONNECTION TYPEUNTHREADED 1ST OUTLET
ARTKOUTLET PROJECTION LENGTH1.500 INCHES NOMINAL 1ST OUTLET1.500 INCHES NOMINAL
MATTMATERIALSTEEL
SFTTSURFACE TREATMENTALUMINUM

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 9b-----
Quantity per pack 1
Repariability
Shelf Life N/A
SOS Sms
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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