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NSN 2990-01-004-1941, 2990010041941
MUFFLER,EXHAUST

Federal Supply Classification
FSC 2990 - Miscellaneous Engine Accessories, Nonaircraft
National Item Identification Number
NIIN 010041941
Codification Country
United States
Item Name Code
INC 10849
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 2990-01-004-1941

National Stock Number (NSN) 2990-01-004-1941, or NIIN 010041941, (muffler,exhaust) was assigned May 29, 1975 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years.

This NSN is unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 01, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 10849. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2990010041941 contains an unknown precious metal.

This NSN is associated to Schedule B 8708925000: mufflers and exhaust pipes for vehicles, nesoi. The Schedule B End Use is listed as other parts and accessories of vehicles.

This information was last updated on .


Technical Characteristics

INLET CONNECTION TYPE
(ACQW) UNTHREADED SINGLE INLET
OUTLET OUTSIDE DIAMETER
(ARWA) 2.000 INCHES NOMINAL 1ST OUTLET2.000 INCHES NOMINAL
INLET LOCATION
(ARNJ) LOCATED IN BOTTOM OF END SECTION SINGLE INLET
OUTLET CONNECTION TYPE
(ARTH) UNTHREADED 1ST OUTLET
MATERIAL
(MATT) STEEL
UNABLE TO DECODE
(SURF) UNABLE TO DECODE
OUTLET CONNECTION TYPE
(ARTH) UNTHREADED
MATERIAL
(MATL) STEEL
OUTLET INSIDE DIAMETER
(AJLW) 2.880 INCHES NOMINAL 1ST OUTLET2.880 INCHES NOMINAL
MUFFLER DESIGN
(ARND) BAFFEL W/INTEGRAL SPARK ARRESTOR
INLET INSIDE DIAMETER
(ARTE) 2.500 INCHES NOMINAL SINGLE INLET2.500 INCHES NOMINAL
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
SURFACE TREATMENT
(SURF) PAINT, HEAT RESISTANT
OUTLET PROJECTION LENGTH
(ARTK) 2.500 INCHES NOMINAL 1ST OUTLET2.500 INCHES NOMINAL
INLET CONNECTION TYPE
(ACQW) UNTHREADED
MATERIAL
(MATT) UNABLE TO DECODE
INLET PROJECTION LENGTH
(ARNK) 5.380 INCHES NOMINAL SINGLE INLET5.380 INCHES NOMINAL
BAFFLE QUANTITY
(ARNE) 2
BODY SHAPE
(ARNG) ROUND
COOLANT TYPE
(ARNA) AIR
DESIGN TYPE
(APGF) DRY
INLET CONNECTION TYPE
(ACQW) UNABLE TO DECODE
INLET INSIDE DIAMETER
(ARTE) UNABLE TO DECODE
INLET LOCATION
(ARNJ) UNABLE TO DECODE
INLET OUTSIDE DIAMETER
(ARSQ) UNABLE TO DECODE
INLET PROJECTION LENGTH
(ARNK) UNABLE TO DECODE
MATERIAL
(MATT) STEEL LOCATION NOT OTHERWISE SPECIFIED
MUFFLER DESIGN
(ARND) BAFFLE W/INTEGRAL SPARK ARRESTOR
OPERATING POSITION
(ARNH) HORIZONTAL
OUTLET CONNECTION TYPE
(ARTH) UNABLE TO DECODE
OUTLET INSIDE DIAMETER
(AJLW) UNABLE TO DECODE
OUTLET LOCATION
(ARTJ) UNABLE TO DECODE
OUTLET OUTSIDE DIAMETER
(ARWA) UNABLE TO DECODE
OUTLET PROJECTION LENGTH
(ARTK) UNABLE TO DECODE
OVERALL DIAMETER
(ADAV) 7.120 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 25.500 INCHES NOMINAL
SPECIAL FEATURES
(FEAT) FURNISHED WITH 0.750 IN. NPT CLEANOUT PLUG
SURFACE TREATMENT
(SFTT) PLASTIC POLYPROPYLENE
TUBE QUANTITY
(ARNF) 1
INLET OUTSIDE DIAMETER
(ARSQ) 2.620 INCHES NOMINAL SINGLE INLET2.620 INCHES NOMINAL
OUTLET LOCATION
(ARTJ) LOCATED IN CENTER OF END SECTION OPPOSITE INLET 1ST OUTLET

Manufacturer Part Numbers

12921

RNCC
D
RNVC
9
239798

RNCC
C
RNVC
1
239798

RNCC
5
RNVC
9
ABT12921

RNCC
5
RNVC
2
ABT12921

RNCC
5
RNVC
9
T12921

RNCC
3
RNVC
2

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