Exhaust Muffler
(NSN) National Stock Number
2990-00-905-8122
Federal Supply Classification
2990 Nonaircraft Miscellaneous Engine Accessories
Item Name Code
10849
Schedule B Code
8708925000
Summary
18.100 inches nominal overall length, threaded single inlet inlet connection type, right-hand single inlet inlet thread direction, 6.120 inches nominal overall diameter, dry design type, air coolant type
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | AX |
Identification
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 10849 | T135-C | 1 | 2 |
Specifications
Overall Length
18.100 inches nominal
Details
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.Inlet Connection Type
threaded single inlet
Details
A narrative description of the type of inlet connection.Inlet Thread Direction
right-hand single inlet
Details
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.Overall Diameter
6.120 inches nominal
Details
A measurement of the longest straight line across a circular cross-sectional plane.Design Type
dry
Details
Indicates the design type of the item.Coolant Type
air
Details
Indicates the type of coolant used with the item.Muffler Design
straight through
Details
The basic design of the muffler.Baffle Quantity
1
Details
The number of baffles included on the item.Tube Quantity
1
Details
The number of tubes included on the item.Body Shape
round
Details
The physical configuration of the body.Operating Position
vertical
Details
The position in which the item is designed to operate.Inlet Location
centrally located in end section of body single inlet
Details
The location of the inlet.Inlet Projection Length
1.200 inches nominal single inlet1.200 inches nominal
Details
A measurement of the longest dimension of the inlet projection,in distinction from width.Inlet Thread Size
2-1/2-8 single inlet
Details
Designates the thread diameter and quantity of threads per specific measurement scale.Inlet Thread Location
external single inlet
Details
Indicates the location of the thread on the inlet.Outlet Connection Type
unthreaded 1st outlet
Details
A narrative description of the type of outlet connection.Outlet Location
centrally located in end section of body 1st outlet
Details
The location of the outlet.Outlet Projection Length
1.900 inches nominal 1st outlet1.900 inches nominal
Details
A measurement of the longest dimension of the outlet projection,in distinction from width.Outlet Outside Diameter
2.475 inches minimum and 2.495 inches maximum 1st outlet
Details
The length of a straight line which passes through the center of the outlet,with terminated points on the outside circumference.Special Features
0.120 in. drain hole on exhaust inlet end
Details
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.Material
steel
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Surface Treatment
aluminum
Details
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.Fsc Application Data
engine exhaust system,nonaircraft
Details
The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| ABT41025 | 52993 | 4 | - | 5 | 9 | - | AX |
| ABT41025 | 3NNX8 | 5 | - | 5 | 2 | - | ZZ |
| 068-0009 | 75028 | 4 | - | 5 | 9 | - | AX |
| 068-9 | 75028 | 4 | - | 5 | 9 | - | AX |
| 41025-P | 76700 | A | - | 5 | 9 | - | AX |
| 86172-M | 76700 | 6 | - | 3 | 2 | - | AX |
| T-41025 | 76700 | E | - | 5 | 9 | - | AX |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | U | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 61440 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 593 | Z | 9 |
Certified Supplier
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FAQs
Frequently asked questions for NSN 2990-00-905-8122
What is the NIIN of the NSN 2990-00-905-8122?
The National Item Identification Number (NIIN) of the NSN 2990-00-905-8122 is 00-905-8122
When the NSN 2990-00-905-8122 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Fri, Jan 1, 1960
Does the NSN 2990-00-905-8122 contain any precious metals?
Type/content is unknown
Does the NSN 2990-00-905-8122 contain any hazardous material?
No data in HMIRS
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