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NSN 2990-00-053-0693, 2990000530693
MUFFLER,EXHAUST

Federal Supply Classification
FSC 2990 - Miscellaneous Engine Accessories, Nonaircraft
National Item Identification Number
NIIN 000530693
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 2990-00-053-0693

National Stock Number (NSN) 2990-00-053-0693, or NIIN 000530693, (muffler,exhaust) was assigned May 20, 1967 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

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

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

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: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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 2990000530693 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 THREAD SIZE
(ARNW) 1-1/2-11-1/2
OUTLET THREAD LOCATION
(ARTZ) EXTERNAL
SURFACE TREATMENT
(SURF) GALVANIZED
OUTLET CONNECTION TYPE
(ARTH) THREADED
MATERIAL
(MATL) STEEL
INLET CONNECTION TYPE
(ACQW) THREADED
INLET THREAD LOCATION
(ARSP) EXTERNAL
OUTLET THREAD SERIES DESIGNATOR
(ARTX) NPT
OUTLET THREAD DIRECTION
(ARTY) RIGHT-HAND
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
UNABLE TO DECODE
(SURF) UNABLE TO DECODE
INLET THREAD DIRECTION
(ACRX) RIGHT-HAND
INLET THREAD SERIES DESIGNATOR
(ARNX) NPT
BAFFLE QUANTITY
(ARNE) ANY ACCEPTABLE
OUTLET THREAD SIZE
(ARTW) 1-1/2-11-1/2
BODY SHAPE
(ARNG) ROUND
COOLANT TYPE
(ARNA) AIR
DESIGN TYPE
(APGF) DRY
INLET CONNECTION TYPE
(ACQW) THREADED SINGLE INLET
INLET LOCATION
(ARNJ) CENTRALLY LOCATED ON END OF BODY SINGLE INLET
INLET PROJECTION LENGTH
(ARNK) 1.750 INCHES NOMINAL SINGLE INLET1.750 INCHES NOMINAL
INLET THREAD LOCATION
(ARSP) EXTERNAL SINGLE INLET
INLET THREAD DIRECTION
(ACRX) RIGHT-HAND SINGLE INLET
INLET THREAD SERIES DESIGNATOR
(ARNX) NPT SINGLE INLET
INLET THREAD SIZE
(ARNW) 1-1/2-11-1/2 SINGLE INLET
OUTLET CONNECTION TYPE
(ARTH) THREADED 1ST OUTLET
OUTLET LOCATION
(ARTJ) CENTRALLY LOCATED ON END OF BODY 1ST OUTLET
OUTLET PROJECTION LENGTH
(ARTK) 1.750 INCHES NOMINAL 1ST OUTLET1.750 INCHES NOMINAL
OUTLET THREAD DIRECTION
(ARTY) RIGHT-HAND 1ST OUTLET
OUTLET THREAD LOCATION
(ARTZ) EXTERNAL 1ST OUTLET
OUTLET THREAD SERIES DESIGNATOR
(ARTX) NPT 1ST OUTLET
OUTLET THREAD SIZE
(ARTW) 1-1/2-11-1/2 1ST OUTLET
OVERALL DIAMETER
(ADAV) 4.375 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 14.750 INCHES NOMINAL
MATERIAL
(MATT) STEEL
MUFFLER DESIGN
(ARND) STRAIGHT THROUGH W/BAFFLE
OPERATING POSITION
(ARNH) UNIVERSAL
SURFACE TREATMENT
(SFTT) ZINC

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