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NSN 2990-00-931-8078, 2990009318078
Cancelled -> Replaced by 2990008913840

Federal Supply Classification
FSC 2990 - Miscellaneous Engine Accessories, Nonaircraft
National Item Identification Number
NIIN 009318078
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 2990-00-931-8078

National Stock Number (NSN) 2990-00-931-8078, or NIIN 009318078, (muffler,exhaust) was assigned September 21, 1966 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 6 stock numbers. Five of the National Stock Numbers that it replaces are: 2990002886430, 2990008479252, 2990008204633, 2990008732932, 2990008913840.

There are 11 manufacturer part numbers associated with this NSN. 7 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 13 suppliers. Today, 8 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 7 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.

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 2990009318078 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

MATERIAL
(MATL) STEEL
SURFACE TREATMENT
(SURF) ADHESIVE, DRY OR ZINC COATED
OUTLET CONNECTION TYPE
(ARTH) UNTHREADED
BODY SHAPE
(ARNG) ROUND
DESIGN TYPE
(APGF) JACKETED
INLET CONNECTION TYPE
(ACQW) UNTHREADED SINGLE INLET
INLET INSIDE DIAMETER
(ARTE) 2.500 INCHES NOMINAL SINGLE INLET2.500 INCHES NOMINAL
INLET LOCATION
(ARNJ) CENTRALLY LOCATED ON END OF BODY SINGLE INLET
INLET PROJECTION LENGTH
(ARNK) 2.375 INCHES NOMINAL SINGLE INLET2.375 INCHES NOMINAL
INSULATION MATERIAL
(AALW) ASBESTOS
OPERATING POSITION
(ARNH) HORIZONTAL
OUTLET CONNECTION TYPE
(ARTH) UNTHREADED 1ST OUTLET
OUTLET PROJECTION LENGTH
(ARTK) 2.375 INCHES NOMINAL 1ST OUTLET2.375 INCHES NOMINAL
OUTLET INSIDE DIAMETER
(AJLW) 2.000 INCHES NOMINAL 1ST OUTLET2.000 INCHES NOMINAL
OUTLET LOCATION
(ARTJ) CENTRALLY LOCATED ON END OF BODY 1ST OUTLET
OVERALL DIAMETER
(ADAV) 5.000 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 27.750 INCHES NOMINAL
MATERIAL
(MATT) STEEL
MUFFLER DESIGN
(ARND) MULTIPASS
TUBE QUANTITY
(ARNF) 3
UNABLE TO DECODE
(SURF) UNABLE TO DECODE OR UNABLE TO DECODE
INLET OUTSIDE DIAMETER
(ARSQ) ANY ACCEPTABLE
INLET CONNECTION TYPE
(ACQW) UNTHREADED
OUTLET OUTSIDE DIAMETER
(ARWA) ANY ACCEPTABLE
UNABLE TO DECODE
(MATL) UNABLE TO DECODE

Manufacturer Part Numbers

112

RNCC
5
RNVC
9
1991

RNCC
3
RNVC
2
21365

RNCC
3
RNVC
2
231488R91

RNCC
5
RNVC
9
242148R91

RNCC
5
RNVC
9
242148R91

RNCC
5
RNVC
2
472E

RNCC
5
RNVC
9
737

RNCC
5
RNVC
9
790

RNCC
5
RNVC
9
873578R91

RNCC
5
RNVC
9
873578R91

RNCC
3
RNVC
2
873578R91

RNCC
5
RNVC
2
873578R91

RNCC
5
RNVC
9
933

RNCC
3
RNVC
2
IH29

RNCC
5
RNVC
2
IH29

RNCC
3
RNVC
2

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