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NSN 2990-00-501-7257, 2990005017257
MUFFLER,EXHAUST

Federal Supply Classification
FSC 2990 - Miscellaneous Engine Accessories, Nonaircraft
National Item Identification Number
NIIN 005017257
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 2990-00-501-7257

National Stock Number (NSN) 2990-00-501-7257, or NIIN 005017257, (muffler,exhaust) was assigned July 9, 1974 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 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.

This NSN is unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2005, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) 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 2990005017257 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

DESIGN TYPE
(APGF) DRYDRYDRY
MUFFLER DESIGN
(ARND) BAFFLEBAFFLEBAFFLE
BODY SHAPE
(ARNG) OVALOVALOVAL
INLET FLANGE SHAPE
(ARNL) OVAL
MATERIAL
(MATL) STEEL
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
BAFFLE QUANTITY
(ARNE) 1
BODY SHAPE
(ARNG) OVAL
COOLANT TYPE
(ARNA) AIR
DESIGN TYPE
(APGF) DRY
INLET CONNECTION TYPE
(ACQW) FLANGE SINGLE INLET
INLET FLANGE MOUNTING HOLE DIAMETER
(ARNN) 0.438 INCHES NOMINAL SINGLE INLET0.438 INCHES NOMINAL
INLET FLANGE MOUNTING PROVISION AND QUANTITY
(ARNM) 2 HOLES SINGLE INLET2 HOLES
INLET FLANGE MOUNTING PROVISION SPACING
(ARNT) 2.688 IN. C TO C DIS OF HOLES SINGLE INLET
INLET FLANGE SHAPE
(ARNL) OVAL SINGLE INLET
INLET LOCATION
(ARNJ) 2.000 IN. FROM END OF BODY T C OF FLANGE SINGLE INLET
INLET PROJECTION LENGTH
(ARNK) 1.000 INCHES NOMINAL SINGLE INLET1.000 INCHES NOMINAL
OUTLET OUTSIDE DIAMETER
(ARWA) 1.375 INCHES NOMINAL 1ST OUTLET1.375 INCHES NOMINAL
OUTLET PROJECTION LENGTH
(ARTK) 1.500 INCHES NOMINAL 1ST OUTLET1.500 INCHES NOMINAL
OUTLET CONNECTION TYPE
(ARTH) UNTHREADED 1ST OUTLET
OUTLET INSIDE DIAMETER
(AJLW) 1.500 INCHES NOMINAL 1ST OUTLET1.500 INCHES NOMINAL
OUTLET INTEGRAL TAIL PIPE LENGTH
(ARWC) 2.000 INCHES NOMINAL 1ST OUTLET2.000 INCHES NOMINAL
OUTLET LOCATION
(ARTJ) CENTRALLY LOCATED IN END SECTION OF BODY OPPOSITE INLET END 1ST OUTLET
OVERALL HEIGHT
(ABKW) 4.750 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 13.250 INCHES NOMINAL
OVERALL WIDTH
(ABMK) 6.500 INCHES NOMINAL
MATERIAL
(MATT) STEEL
MUFFLER DESIGN
(ARND) BAFFLE
SPECIAL FEATURES
(FEAT) TAILPIPE 90.0 DEG ELBOW
TUBE QUANTITY
(ARNF) 1
TUBE QUANTITY
(ARNF) 111
INLET FLANGE MOUNTING PROVISION AND QUANTITY
(ARNM) 2 HOLES
BAFFLE QUANTITY
(ARNE) 111
OPERATING POSITION
(ARNH) ANY ACCEPTABLE
OPERATING POSITION
(ARNH) ANY ACCEPTABLEANY ACCEPTABLE
OUTLET CONNECTION TYPE
(ARTH) UNTHREADED
INLET CONNECTION TYPE
(ACQW) FLANGE
INLET CONNECTION TYPE
(ACQW) FLANGEFLANGEFLANGE
SURFACE TREATMENT
(SURF) ANY ACCEPTABLE
COOLANT TYPE
(ARNA) AIRAIRAIR
UNABLE TO DECODE
(SURF) UNABLE TO DECODE

Manufacturer Part Numbers


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