PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14948NMuffler,exhaust

Cummins Filtration Inc. · NSN 2990-00-905-0428 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-905-0428 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-905-0428. Primary manufacturer part number: 14948N.
Features
  • Muffler,exhaust — FSC 2990
  • Design Type: DRY
  • Outlet Inside Diameter: 1.750 INCHES NOMINAL FIRST OUTLET IN
  • Coolant Type: AIR
  • Overall Diameter: 6.000 INCHES NOMINAL IN
  • Muffler Design: DIRECTIONAL VANE W/INTEGRAL SPARK ARRESTOR
  • Outlet Location: CENTERED ON END OF BODY
  • Outlet Projection Length: 1.750 INCHES NOMINAL FIRST OUTLET IN
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-905-0428, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Cummins Filtration Inc.. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2990-00-905-0428
Primary Part Number14948N
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerCummins Filtration Inc.
StatusCANCELLED
Design TypeDRY
Outlet Inside Diameter1.750 INCHES NOMINAL FIRST OUTLET IN
Coolant TypeAIR
Overall Diameter6.000 INCHES NOMINAL IN
Muffler DesignDIRECTIONAL VANE W/INTEGRAL SPARK ARRESTOR
Outlet LocationCENTERED ON END OF BODY
Outlet Projection Length1.750 INCHES NOMINAL FIRST OUTLET IN
Inlet Inside Diameter2.000 INCHES NOMINAL SINGLE INLET IN
Outlet Outside Diameter1.938 INCHES NOMINAL FIRST OUTLET IN
Inlet LocationCENTERED ON END OF BODY
Outlet Connection TypeUNTHREADED FIRST OUTLET
Body ShapeROUND
Inlet Projection Length1.875 INCHES NOMINAL SINGLE INLET IN
Inlet Outside Diameter2.094 INCHES NOMINAL SINGLE INLET IN
Inlet Connection TypeUNTHREADED SINGLE INLET
Surface TreatmentPAINT
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4310-00-062-819090480 INTERCHANGEABLE
Ring,piston
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5970-00-149-7312 INTERCHANGEABLE
Insulator,standoff
6515-00-226-76922623 INTERCHANGEABLE
Glove,patient Examining
Solcon Inc. Dba Quick Medical Div Solcon Inc
5935-00-328-06982623 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5310-00-413-28622623 INTERCHANGEABLE
Nut,sleeve
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5360-00-448-36652623 INTERCHANGEABLE
Spring,helical,extension
Telemechanics Inc
5905-00-549-8222 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5342-00-776-5909 INTERCHANGEABLE
Clamp,pinch
3120-00-827-72545848-5 INTERCHANGEABLE
Bushing,sleeve
Goodrich Aerospace Canada Ltd
5815-00-895-4013 INTERCHANGEABLE
Rotary Control Cable
Cross-Reference Index
Part NumberManufacturer
2623 Alexander Tagg Industries Inc (USA)
56C23251-1 Standard Mfg Co Inc (USA)
65D354-54-1 San Antonio Air Logistics Center (USA)
21015 Walker Mfg Co (USA)
5848 Vortox Company (USA)
2560212 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
14948N PRIMARY Cummins Filtration Inc. (USA)
581 Walker Mfg Co (USA)
56C23251-1 Department of the Air Force (USA)
4B271D1 Gse Production and Support Llc Dba Gse Spares (USA)
4B271D1 Standard Mfg Co Inc (USA)
2560212 Standard Mfg Co Inc (USA)
Related Parts
4310-00-062-8190INTERCHANGEABLE
RING,PISTON
90480
5970-00-149-7312INTERCHANGEABLE
INSULATOR,STANDOFF
6515-00-226-7692INTERCHANGEABLE
GLOVE,PATIENT EXAMINING
2623
5935-00-328-0698INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2623
5310-00-413-2862INTERCHANGEABLE
NUT,SLEEVE
2623
5360-00-448-3665INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
2623
5905-00-549-8222INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5342-00-776-5909INTERCHANGEABLE
CLAMP,PINCH
3120-00-827-7254INTERCHANGEABLE
BUSHING,SLEEVE
5848-5
5815-00-895-4013INTERCHANGEABLE
ROTARY CONTROL CABLE
5950-00-993-6896INTERCHANGEABLE
TRANSFORMER,POWER
7759989P1
5910-01-086-6537INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
048-000728

Frequently Asked Questions

What is NSN 2990-00-905-0428?

NSN 2990-00-905-0428 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2990-00-905-0428?

NSN 2990-00-905-0428 has 12 cross-referenced part numbers: 2623 (Alexander Tagg Industries Inc), 56C23251-1 (Standard Mfg Co Inc), 65D354-54-1 (San Antonio Air Logistics Center), 21015 (Walker Mfg Co), 5848 (Vortox Company) and 7 more.

What NSN replaces 2990-00-905-0428?

There are 12 known substitutes for 2990-00-905-0428: 4310-00-062-8190, 5970-00-149-7312, 6515-00-226-7692 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 14948N?

Key specifications for 14948N: Design Type: DRY; Outlet Inside Diameter: 1.750 INCHES NOMINAL FIRST OUTLET IN; Coolant Type: AIR; Overall Diameter: 6.000 INCHES NOMINAL IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2990-00-905-0428 still in active supply?

NSN 2990-00-905-0428 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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