Product Details | EXHAUST MUFFLER

2990-00-678-9815 00020215600030Airframe Structural Components29900045Miscellaneous Engine Accessories, Nonaircraft

Part Alternates: M70030, 157E102169, 157E10-2169, 25218, 2990-00-678-9815, 00-678-9815, 2990006789815, 006789815

Engine Accessories | Miscellaneous Engine Accessories, Nonaircraft

Supply Group (FSG) NSN Assign. NIIN
29 01 JAN 1963 00-678-9815

Cross Reference | NSN 2990-00-678-9815

Part Number Cage Code Manufacturer
157E10-2169 75377 KURZ & ROOT GENERATOR COMPANY LLC
25218 95201 NAPCO INTERNATIONAL LLC
M70030 18265 DONALDSON COMPANY, INC. DBA TORIT PRODUCTS

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Technical Data | NSN 2990-00-678-9815

Characteristic Specifications
MATERIAL STEEL
SURFACE TREATMENT ANY ACCEPTABLE
DESIGN TYPE DRY
COOLANT TYPE AIR
MUFFLER DESIGN BAFFLE
BAFFLE QUANTITY 2
TUBE QUANTITY 2
BODY SHAPE ROUND
OVERALL LENGTH 25.375 INCHES MINIMUM AND 25.625 INCHES MAXIMUM
OVERALL DIAMETER 7.000 INCHES NOMINAL
OPERATING POSITION HORIZONTAL
INLET CONNECTION TYPE FLANGE
INLET LOCATION CENTRALLY LOCATED INSIDE 4-1/4 IN. PORM 1/16 FROM END
INLET FLANGE SHAPE SQUARE
INLET FLANGE MOUNTING PROVISION AND QUANTITY 4 HOLES
INLET FLANGE MOUNTING HOLE DIAMETER 0.563 INCHES NOMINAL
INLET FLANGE MOUNTING PROVISION SPACING 4-1/4 IN. C TO C DIM. OF STUDS
OUTLET CONNECTION TYPE UNTHREADED
OUTLET LOCATION CENTRALLY LOCATED IN END SECTION OF BODY
OUTLET PROJECTION LENGTH 2.344 INCHES NOMINAL
OUTLET OUTSIDE DIAMETER 3.128 INCHES MINIMUM 1ST CONNECTION 3.148 INCHES MAXIMUM 1ST CONNECTION
OUTLET INSIDE DIAMETER 3.005 INCHES MINIMUM 1ST CONNECTION 3.025 INCHES MAXIMUM 1ST CONNECTION
OUTLET INTEGRAL TAIL PIPE LENGTH 19.313 INCHES MINIMUM 19.438 INCHES MAXIMUM
III FSC APPLICATION DATA 1. DIESEL ENGINE,GENERATOR SET

Restrictions/Controls & Freight Information | NSN 2990-00-678-9815

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 000000 NO NMFC FREIGHT DESCRIPTION
Less than car load rating M 85
Less than truck load rating Z No Rating
Water commodity Code 593 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable