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NSN 2990-00-294-2257, 2990002942257
Cancelled -> Replaced by 2990005688684

Federal Supply Classification
FSC 2990 - Miscellaneous Engine Accessories, Nonaircraft
National Item Identification Number
NIIN 002942257
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 2990-00-294-2257

National Stock Number (NSN) 2990-00-294-2257, or NIIN 002942257, (muffler,exhaust) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2990005688684.

There are 2 manufacturer part numbers associated with this NSN. None of the associated 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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 01, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

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 2990002942257 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) FLANGE 1ST OUTLET
OUTLET FLANGE SHAPE
(ARTL) TRIANGULAR
OUTLET CONNECTION TYPE
(ARTH) UNTHREADED
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
BODY SHAPE
(ARNG) ROUND
COOLANT TYPE
(ARNA) AIR
DESIGN TYPE
(APGF) DRY
INLET CONNECTION TYPE
(ACQW) FLANGE 2ND INLET
INLET CONNECTION TYPE
(ACQW) UNTHREADED 1ST INLET
INLET FLANGE MOUNTING HOLE DIAMETER
(ARNN) 0.469 INCHES NOMINAL SINGLE INLET0.469 INCHES NOMINAL
INLET FLANGE MOUNTING PROVISION AND QUANTITY
(ARNM) 4 HOLES SINGLE INLET4 HOLES
INLET FLANGE MOUNTING PROVISION SPACING
(ARNT) 5-3/8 IN. DIA BOLT CIRCLE SINGLE INLET
INLET FLANGE SHAPE
(ARNL) ROUND SINGLE INLET
INLET INSIDE DIAMETER
(ARTE) 4.000 INCHES NOMINAL SINGLE INLET4.000 INCHES NOMINAL
INLET LOCATION
(ARNJ) LOCATED 3 IN. C TO C FROM HORIZONTAL CENTERLINE SINGLE INLET
INLET OUTSIDE DIAMETER
(ARSQ) 4.125 INCHES NOMINAL SINGLE INLET4.125 INCHES NOMINAL
INLET PROJECTION LENGTH
(ARNK) 4.125 INCHES NOMINAL SINGLE INLET4.125 INCHES NOMINAL
OVERALL DIAMETER
(ADAV) 12.125 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 18.750 INCHES NOMINAL
MATERIAL
(MATT) STEEL LOCATION NOT OTHERWISE SPECIFIED
MUFFLER DESIGN
(ARND) MULTIPASS W/INTEGRAL SPARK ARRESTOR
OPERATING POSITION
(ARNH) HORIZONTAL
OUTLET CONNECTION TYPE
(ARTH) FLANGE 2ND OUTLET
OUTLET CONNECTION TYPE
(ARTH) UNTHREADED 1ST OUTLET
OUTLET FLANGE MOUNTING HOLE DIAMETER
(ARTN) 0.469 INCHES NOMINAL 1ST OUTLET0.469 INCHES NOMINAL
OUTLET FLANGE MOUNTING PROVISION AND QUANTITY
(ARTM) 3 HOLES 1ST OUTLET3 HOLES
OUTLET FLANGE MOUNTING PROVISION SPACING
(ARTT) 5 IN. DIA BOLT CIRCLE 1ST OUTLET
OUTLET FLANGE SHAPE
(ARTL) TRIANGULAR 1ST OUTLET
OUTLET INSIDE DIAMETER
(AJLW) 3.000 INCHES NOMINAL 1ST OUTLET3.000 INCHES NOMINAL
OUTLET LOCATION
(ARTJ) LOCATED 3 IN. C TO C FROM HORIZONTAL CENTERLINE 1ST OUTLET
OUTLET OUTSIDE DIAMETER
(ARWA) 3.125 INCHES NOMINAL 1ST OUTLET3.125 INCHES NOMINAL
OUTLET PROJECTION LENGTH
(ARTK) 5.625 INCHES NOMINAL 1ST OUTLET5.625 INCHES NOMINAL
SURFACE TREATMENT
(SFTT) ALUMINUM
TUBE QUANTITY
(ARNF) 2
OUTLET CONNECTION TYPE
(ARTH) FLANGE
OUTLET FLANGE MOUNTING PROVISION AND QUANTITY
(ARTM) 3 HOLES
SURFACE TREATMENT
(SURF) ALUMINUM
INLET CONNECTION TYPE
(ACQW) UNTHREADED SINGLE INLET
MATERIAL
(MATL) STEEL
INLET FLANGE SHAPE
(ARNL) ROUND
INLET CONNECTION TYPE
(ACQW) FLANGE
OUTLET CONNECTION TYPE
(ARTH) FLANGE 1ST OUTLET
UNABLE TO DECODE
(SURF) UNABLE TO DECODE
INLET FLANGE MOUNTING PROVISION AND QUANTITY
(ARNM) 4 HOLES
OUTLET CONNECTION TYPE
(ARTH) UNTHREADED SINGLE INLET
INLET CONNECTION TYPE
(ACQW) UNTHREADED
MATERIAL
(MATT) STEEL
MATERIAL
(MATT) UNABLE TO DECODE

Manufacturer Part Numbers


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