Product Details | EXHAUST MUFFLER

2990-00-038-4341 00020215600030Airframe Structural Components29900045Miscellaneous Engine Accessories, Nonaircraft

Part Alternates: 1556, 2990-00-038-4341, 00-038-4341, 2990000384341, 000384341

Engine Accessories | Miscellaneous Engine Accessories, Nonaircraft

Supply Group (FSG) NSN Assign. NIIN
29 01 JAN 1963 00-038-4341

Cross Reference | NSN 2990-00-038-4341

Part Number Cage Code Manufacturer
1556 81381 STEWART & STEVENSON POWER PRODUCTS LLC

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Technical Data | NSN 2990-00-038-4341

Characteristic Specifications
MATERIAL STEEL, STAINLESS
SURFACE TREATMENT ANY ACCEPTABLE
DESIGN TYPE DRY
COOLANT TYPE ANY ACCEPTABLE
MUFFLER DESIGN BAFFLE
BAFFLE QUANTITY 1
BODY SHAPE ROUND
OVERALL LENGTH 24.375 INCHES NOMINAL
OVERALL DIAMETER 8.000 INCHES NOMINAL
OPERATING POSITION HORIZONTAL
INLET CONNECTION TYPE UNTHREADED 1ST CONNECTION FLANGE 5TH CONNECTION
INLET LOCATION LOCATED ON SIDE OF BODY CENTERED 3-5/8 IN. FROM OUTLET END OF BODY,ON SIDE OF BODY CENTERED 9-3/8 IN. FROM OUTLET END OF BODY,ON SIDE OF BODY CENTERED 15-1/8 IN. FROM OUTLET END OF BODY AND ON SIDE OF BODY CENTERED 20-7/8 IN. FROM OUTLET END OF BODY
INLET PROJECTION LENGTH 4.000 INCHES NOMINAL 1ST CONNECTION 4.000 INCHES NOMINAL 2ND CONNECTION 4.000 INCHES NOMINAL 3RD CONNECTION 4.000 INCHES NOMINAL 4TH CONNECTION
INLET FLANGE SHAPE RECTANGLE
INLET FLANGE MOUNTING PROVISION AND QUANTITY 5 HOLES
INLET FLANGE MOUNTING HOLE DIAMETER 0.500 INCHES NOMINAL
INLET FLANGE MOUNTING PROVISION SPACING 5-3/4 IN. C TO C DISTANCE BETWEEN BOLT HOLES
INLET OUTSIDE DIAMETER 3.750 INCHES NOMINAL 1ST CONNECTION 1.875 INCHES NOMINAL 2ND CONNECTION
INLET INSIDE DIAMETER 3.500 INCHES NOMINAL 1ST CONNECTION 1.625 INCHES NOMINAL 2ND CONNECTION
OUTLET CONNECTION TYPE UNTHREADED 1ST CONNECTION
OUTLET LOCATION LOCATED 9/16 IN. C TO C FROM HORIZONTAL CENTER LINE
OUTLET PROJECTION LENGTH 2.000 INCHES NOMINAL
OUTLET OUTSIDE DIAMETER 4.000 INCHES NOMINAL
OUTLET INSIDE DIAMETER 3.750 INCHES NOMINAL
MANUFACTURERS CODE 81381
DESIGN CONTROL REFERENCE 1556

Restrictions/Controls & Freight Information | NSN 2990-00-038-4341

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