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NSN 2990-00-436-3101, 2990004363101
MUFFLER,EXHAUST

Federal Supply Classification
FSC 2990 - Miscellaneous Engine Accessories, Nonaircraft
National Item Identification Number
NIIN 004363101
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 2990-00-436-3101

National Stock Number (NSN) 2990-00-436-3101, or NIIN 004363101, (muffler,exhaust) was assigned March 26, 1969 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 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. 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.

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 directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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 2990004363101 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

UNABLE TO DECODE
(MATL) UNABLE TO DECODE
SURFACE TREATMENT
(SURF) ENAMEL
BAFFLE QUANTITY
(ARNE) 3
BODY SHAPE
(ARNG) ROUND
COOLANT TYPE
(ARNA) AIR
DESIGN TYPE
(APGF) DRY
INLET CONNECTION TYPE
(ACQW) FLANGE SINGLE INLET
INLET FLANGE MOUNTING HOLE DIAMETER
(ARNN) 0.406 INCHES NOMINAL SINGLE INLET0.406 INCHES NOMINAL
INLET FLANGE MOUNTING PROVISION AND QUANTITY
(ARNM) 2 HOLES SINGLE INLET2 HOLES
INLET FLANGE MOUNTING PROVISION SPACING
(ARNT) 2.670 IN. MIN,2.710 IN. MAX C TO C DIM OF MTG HOLES SINGLE INLET
INLET FLANGE SHAPE
(ARNL) OVAL SINGLE INLET
INLET LOCATION
(ARNJ) LOCATED IN END SECTION OF BODY 0.440 IN. C TO C ABOVE HORIZONTAL CENTER LINE AND 1.120 IN. C TO C LEFT OF VERTICAL CENTER LINE SINGLE INLET
INLET PROJECTION LENGTH
(ARNK) 4.075 INCHES NOMINAL SINGLE INLET4.075 INCHES NOMINAL
OVERALL DIAMETER
(ADAV) 4.620 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 14.700 INCHES NOMINAL
MATERIAL
(MATT) STEEL LOCATION NOT OTHERWISE SPECIFIED
MUFFLER DESIGN
(ARND) BAFFLE
OPERATING POSITION
(ARNH) HORIZONTAL
OUTLET CONNECTION TYPE
(ARTH) UNTHREADED 1ST OUTLET
OUTLET INSIDE DIAMETER
(AJLW) 1.549 INCHES NOMINAL 1ST OUTLET1.549 INCHES NOMINAL
OUTLET LOCATION
(ARTJ) LOCATED ON SIDE OF BODY 1.640 FROM CENTER OF OPENING TO END OF BODY 1ST OUTLET
OUTLET OUTSIDE DIAMETER
(ARWA) 1.625 INCHES NOMINAL 1ST OUTLET1.625 INCHES NOMINAL
OUTLET PROJECTION LENGTH
(ARTK) 0.940 INCHES NOMINAL 1ST OUTLET0.940 INCHES NOMINAL
SPECIAL FEATURES
(FEAT) INLET CONNECTION CURVES DOWN ON 2.120 IN. RADIUS SO THAT FLANGE IS IN LINE WITH OUTER DIA OF BODY
SURFACE TREATMENT
(SFTT) ENAMEL
TUBE QUANTITY
(ARNF) 2
OUTLET CONNECTION TYPE
(ARTH) UNTHREADED
INLET FLANGE MOUNTING PROVISION AND QUANTITY
(ARNM) 2 HOLES
MATERIAL
(MATT) STEEL
INLET FLANGE SHAPE
(ARNL) OVAL
UNABLE TO DECODE
(SURF) UNABLE TO DECODE
INLET CONNECTION TYPE
(ACQW) FLANGE
MATERIAL
(MATT) UNABLE TO DECODE
MATERIAL
(MATL) STEEL

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