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NSN 2990-01-030-8643, 2990010308643
MUFFLER,EXHAUST

Federal Supply Classification
FSC 2990 - Miscellaneous Engine Accessories, Nonaircraft
National Item Identification Number
NIIN 010308643
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 2990-01-030-8643

National Stock Number (NSN) 2990-01-030-8643, or NIIN 010308643, (muffler,exhaust) was assigned November 12, 1976 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 4 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of May 09, 2018. There have been 3 contracts issued for this part number, with 3 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7L518V1467, SPE7L518V0635, SPE7L214M0211. The total value of the awarded contracts has been US$ 5,574.33.

This NSN is unique to one weapons system.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 19, 2014, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 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 2990010308643 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) UNTHREADEDUNTHREADEDUNTHREADEDUNTHREADED
DESIGN TYPE
(APGF) DRYDRYDRYDRY
MUFFLER DESIGN
(ARND) ANY ACCEPTABLE
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
BODY SHAPE
(ARNG) ROUND
COOLANT TYPE
(ARNA) AIR
DESIGN TYPE
(APGF) DRY
INLET PROJECTION LENGTH
(ARNK) 2.000 INCHES NOMINAL SINGLE INLET2.000 INCHES NOMINAL
INLET CONNECTION TYPE
(ACQW) UNTHREADED SINGLE INLET
INLET INSIDE DIAMETER
(ARTE) 2.000 INCHES NOMINAL SINGLE INLET2.000 INCHES NOMINAL
INLET LOCATION
(ARNJ) CENTRALLY LOCATED IN END SECTION OF BODY SINGLE INLET
OPERATING POSITION
(ARNH) HORIZONTAL
OUTLET PROJECTION LENGTH
(ARTK) 11.500 INCHES NOMINAL 1ST OUTLET11.500 INCHES NOMINAL
OUTLET CONNECTION TYPE
(ARTH) UNTHREADED 1ST OUTLET
OUTLET LOCATION
(ARTJ) CENTRALLY LOCATED IN END SECTION OF BODY 1ST OUTLET
OUTLET OUTSIDE DIAMETER
(ARWA) 1.750 INCHES NOMINAL 1ST OUTLET1.750 INCHES NOMINAL
OVERALL DIAMETER
(ADAV) 5.125 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 34.000 INCHES NOMINAL
MATERIAL
(MATT) STEEL
SPECIAL FEATURES
(FEAT) HAS SPARK ARRESTING FEATURE AND 3/4 IN. PIPE PLUG LOCATED ON SIDE 1-1/2 IN. FROM OUTLET END
INLET CONNECTION TYPE
(ACQW) UNTHREADED
OUTLET INSIDE DIAMETER
(AJLW) ANY ACCEPTABLE
OUTLET LOCATION
(ARTJ) CENTRALLY @LOCATED IN END SECTION OF BODY 1ST OUTLET
SURFACE TREATMENT
(SURF) PAINT, ALUMINUM, HEAT RESISTANT
INLET OUTSIDE DIAMETER
(ARSQ) ANY ACCEPTABLE
MATERIAL
(MATL) STEEL
UNABLE TO DECODE
(SURF) UNABLE TO DECODE
MUFFLER DESIGN
(ARND) ANY ACCEPTABLEANY ACCEPTABLEANY ACCEPTABLE
COOLANT TYPE
(ARNA) AIRAIRAIRAIR
OUTLET CONNECTION TYPE
(ARTH) UNTHREADED

Manufacturer Part Numbers

14924

RNCC
D
RNVC
9
46311

RNCC
3
RNVC
2
ABT14924

RNCC
5
RNVC
2
ABT14924

RNCC
5
RNVC
9
T14924

RNCC
5
RNVC
9

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