PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78-111-1Muffler,exhaust

Dresser Industries Inc Leroi Div · NSN 2990-00-328-5162 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-328-5162 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-328-5162. Primary manufacturer part number: 78-111-1.
Features
  • Muffler,exhaust — FSC 2990
  • Outlet Thread Size: 4-8 FIRST OUTLET
  • Inlet Thread Series Designator: NPT SINGLE INLET
  • Design Type: DRY
  • Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
  • Inlet Thread Location: EXTERNAL SINGLE INLET
  • Inlet Location: CENTRALLY LOCATED IN END SECTION OF BODY
  • Outlet Thread Series Designator: NPT FIRST OUTLET
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-328-5162, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 20 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2990-00-328-5162
Primary Part Number78-111-1
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusCANCELLED
Outlet Thread Size4-8 FIRST OUTLET
Inlet Thread Series DesignatorNPT SINGLE INLET
Design TypeDRY
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Inlet Thread LocationEXTERNAL SINGLE INLET
Inlet LocationCENTRALLY LOCATED IN END SECTION OF BODY
Outlet Thread Series DesignatorNPT FIRST OUTLET
Inlet Projection Length3.000 INCHES NOMINAL SINGLE INLET IN
Inlet Connection TypeTHREADED SINGLE INLET
Body ShapeROUND
Surface TreatmentALUMINUM ALLOY
Inlet Thread Size4-8 SINGLE INLET
Outlet Connection TypeTHREADED FIRST OUTLET
Outlet Thread DirectionRIGHT-HAND FIRST OUTLET
Coolant TypeAIR
Overall Diameter9.000 INCHES NOMINAL IN
Muffler DesignBAFFLE
Outlet Projection Length3.000 INCHES NOMINAL FIRST OUTLET IN
Outlet LocationCENTRALLY LOCATED ON END OF BODY
Baffle Quantity3
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
3110-00-052-6746120-70203-02 INTERCHANGEABLE
Retainer and Rollers,bearing
Danfoss Power Solutions II, Llc
2805-00-546-00841-413 INTERCHANGEABLE
Valve,poppet,engine
Clevite an Imperial Clevite Co Powder Metal Products Div
5330-00-877-832227217 INTERCHANGEABLE
Seal Ring,metal
Napco International Llc Dba Napco International Inc
2915-01-133-2467 INTERCHANGEABLE
Fuel Control,emergency,turbine E
4820-01-306-4539 INTERCHANGEABLE
Valve,regulating,system Pressure
6810-01-460-6769272-17 INTERCHANGEABLE
Demineralized Water
Hach Company Dba Hach Co
5895-01-567-01974001-310141-27217 INTERCHANGEABLE
Control,interface
Ward Leonard Ct Llc
Cross-Reference Index
Part NumberManufacturer
5179058 General Motors Corp (USA)
27Z17 Bomag Usa Sub of United Dominion Industries Ltd (USA)
78-111-1 PRIMARY Dresser Industries Inc Leroi Div (USA)
5179058 PRIMARY Rolls-Royce Solutions America Inc (USA)
M90009 Donaldson Company, Inc. (USA)
517958 Inland Power Group, Inc. Dba Inland Detroit Diesel Allison (USA)
190-9333 PRIMARY Stemco Inc Sub of Coltec Industries Inc (USA)
27217 Bomag Usa Sub of United Dominion Industries Ltd (USA)
T-7275 PRIMARY Cummins Filtration Inc. (USA)
5173298 Rolls-Royce Solutions America Inc (USA)
MFM090009 PRIMARY Donaldson Company, Inc. (USA)
33944D1 Air Products & Chemicals, Inc (USA)
MFM90009 PRIMARY Donaldson Company, Inc. (USA)
728A29 PRIMARY Donaldson Company, Inc. (USA)
5173833 Rolls-Royce Solutions America Inc (USA)
5179058 General Motors Llc Dba General Motors Llc (USA)
728A29 Dollinger Corp (USA)
Related Parts
3110-00-052-6746INTERCHANGEABLE
RETAINER AND ROLLERS,BEARING
120-70203-02
2805-00-546-0084INTERCHANGEABLE
VALVE,POPPET,ENGINE
1-413
5330-00-877-8322INTERCHANGEABLE
SEAL RING,METAL
27217
2915-01-133-2467INTERCHANGEABLE
FUEL CONTROL,EMERGENCY,TURBINE E
4820-01-306-4539INTERCHANGEABLE
VALVE,REGULATING,SYSTEM PRESSURE
6810-01-460-6769INTERCHANGEABLE
DEMINERALIZED WATER
272-17
5895-01-567-0197INTERCHANGEABLE
CONTROL,INTERFACE
4001-310141-27217

Frequently Asked Questions

What is NSN 2990-00-328-5162?

NSN 2990-00-328-5162 is a Muffler,exhaust, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 2990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2990-00-328-5162?

NSN 2990-00-328-5162 has 17 cross-referenced part numbers: 5179058 (General Motors Corp), 27Z17 (Bomag Usa Sub of United Dominion Industries Ltd), 78-111-1 (Dresser Industries Inc Leroi Div), 5179058 (Rolls-Royce Solutions America Inc), M90009 (Donaldson Company, Inc.) and 12 more.

What NSN replaces 2990-00-328-5162?

There are 7 known substitutes for 2990-00-328-5162: 3110-00-052-6746, 2805-00-546-0084, 5330-00-877-8322 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 78-111-1?

Key specifications for 78-111-1: Outlet Thread Size: 4-8 FIRST OUTLET; End Item Identification: DIESEL ENGINE,SERIES 71,GENERAL MOTORS CORP; Inlet Thread Series Designator: NPT SINGLE INLET; Design Type: DRY. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2990-00-328-5162 still in active supply?

NSN 2990-00-328-5162 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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