PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

190-9135Muffler,exhaust

Stemco Inc Sub of Coltec Industries Inc · NSN 2990-00-238-5449 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-238-5449 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-238-5449. Primary manufacturer part number: 190-9135.
Features
  • Muffler,exhaust — FSC 2990
  • Outlet Thread Series Designator: NPT FIRST OUTLET
  • Operating Position: UNIVERSAL
  • Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
  • Outlet Connection Type: THREADED FIRST OUTLET
  • Surface Treatment: ALUMINUM
  • Thread Direction: RIGHT-HAND SINGLE INLET
  • Inlet Projection Length: 2.375 INCHES NOMINAL SINGLE INLET IN
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-238-5449, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Stemco Inc Sub of Coltec Industries Inc. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2990-00-238-5449
Primary Part Number190-9135
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerStemco Inc Sub of Coltec Industries Inc
StatusCANCELLED
Outlet Thread Series DesignatorNPT FIRST OUTLET
Operating PositionUNIVERSAL
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Outlet Connection TypeTHREADED FIRST OUTLET
Surface TreatmentALUMINUM
Thread DirectionRIGHT-HAND SINGLE INLET
Inlet Projection Length2.375 INCHES NOMINAL SINGLE INLET IN
Outlet LocationCENTRALLY LOCATED ON END OF BODY
Overall Diameter7.000 INCHES NOMINAL IN
Inlet LocationCENTRALLY LOCATED ON END OF BODY
Muffler DesignSTRAIGHT THROUGH
Inlet Connection TypeTHREADED SINGLE INLET
Thread LocationEXTERNAL FIRST OUTLET
Tube Quantity1
Body ShapeROUND
Outlet Thread Size3-8 FIRST OUTLET
Inlet Thread Series DesignatorNPT SINGLE INLET
Design TypeDRY
Outlet Projection Length2.375 INCHES NOMINAL FIRST OUTLET IN
Outlet Thread DirectionRIGHT-HAND FIRST OUTLET
Inlet Thread Size3-8 SINGLE INLET
Coolant TypeAIR
Inlet Thread LocationEXTERNAL SINGLE INLET
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5955-00-935-0141 INTERCHANGEABLE
Crystal Unit,quartz
5130-00-987-7050 INTERCHANGEABLE
Bit,wire Wrapping Tool
2540-01-036-3827 INTERCHANGEABLE
Shaft,front
5330-01-390-19285211-014.09 INTERCHANGEABLE
Retainer,seal
Cemen Tech, Inc.
7520-01-481-746165800 INTERCHANGEABLE
Pen,ball-Point
Sanford Corp
5310-01-614-672937006 INTERCHANGEABLE
Nut,self-Locking,hexagon
Fastenal Co Inc
Cross-Reference Index
Part NumberManufacturer
MFM07-0008 Technetics Group Llc Dba Technetics Group Burbank (USA)
LL847-29 Pettibone Llc (USA)
L2468-11 Pettibone Llc (USA)
5179206 General Motors Corp (USA)
190-9135 PRIMARY Stemco Inc Sub of Coltec Industries Inc (USA)
5179206 Rolls-Royce Solutions America Inc (USA)
MFM07-0008 PRIMARY Donaldson Company, Inc. (USA)
4E13463 Scott Huber Essick a Co of Figgie International Inc (USA)
27Z1 PRIMARY Morris Material Handling, Inc. (USA)
M700008 Donaldson Company, Inc. (USA)
MEM07-0008 Donaldson Company, Inc. (USA)
M70008 Donaldson Company, Inc. (USA)
13212E3445 Cecom Lr Center (USA)
1H859 Link-Belt Cranes, L.p., Lllp (USA)
37006 Komatsu America Corporation (USA)
MFM07-0008 Morris Material Handling, Inc. (USA)
H37006 Komatsu America Corporation (USA)
Related Parts
5955-00-935-0141INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5130-00-987-7050INTERCHANGEABLE
BIT,WIRE WRAPPING TOOL
2540-01-036-3827INTERCHANGEABLE
SHAFT,FRONT
5330-01-390-1928INTERCHANGEABLE
RETAINER,SEAL
5211-014.09
7520-01-481-7461INTERCHANGEABLE
PEN,BALL-POINT
65800
5310-01-614-6729INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
37006

Frequently Asked Questions

What is NSN 2990-00-238-5449?

NSN 2990-00-238-5449 is a Muffler,exhaust, manufactured by Stemco Inc Sub of Coltec Industries Inc, classified under FSC 2990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2990-00-238-5449?

NSN 2990-00-238-5449 has 17 cross-referenced part numbers: MFM07-0008 (Technetics Group Llc Dba Technetics Group Burbank), LL847-29 (Pettibone Llc), L2468-11 (Pettibone Llc), 5179206 (General Motors Corp), 190-9135 (Stemco Inc Sub of Coltec Industries Inc) and 12 more.

What NSN replaces 2990-00-238-5449?

There are 6 known substitutes for 2990-00-238-5449: 5955-00-935-0141, 5130-00-987-7050, 2540-01-036-3827 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 190-9135?

Key specifications for 190-9135: Outlet Thread Series Designator: NPT FIRST OUTLET; Operating Position: UNIVERSAL; Material: STEEL LOCATION NOT OTHERWISE SPECIFIED; Outlet Connection Type: THREADED FIRST OUTLET. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2990-00-238-5449 still in active supply?

NSN 2990-00-238-5449 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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