PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7423NMuffler,exhaust

Cummins Filtration Inc. · NSN 2990-00-859-5949 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-859-5949 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-859-5949. Primary manufacturer part number: 7423N.
Features
  • Muffler,exhaust — FSC 2990
  • 4 verified cross-references
  • Primary manufacturer: Cummins Filtration Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-859-5949, 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.. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameMuffler,exhaust
FSC / FSG2990 — No Item Name Available (FSG 29)
ManufacturersCummins Filtration Inc. (CAGE 76700); Ar Bee Corp (CAGE 52993)
Technical Specifications
ParameterValue
NSN2990-00-859-5949
Primary Part Number7423N
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerCummins Filtration Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4720-00-035-891920557 INTERCHANGEABLE
Hose,preformed
Gates Corporation
5815-00-125-48697423 INTERCHANGEABLE
Bar,t,teletypewriter
Telemechanics Inc
5340-00-229-7717 INTERCHANGEABLE
Clamp,loop
6760-00-370-29917423 INTERCHANGEABLE
Tripod
Quickset Defense Technologies Llc
5930-00-564-37497423 INTERCHANGEABLE
Switch,pull
Drs Sustainment Systems Inc
5960-00-827-1201 INTERCHANGEABLE
Electron Tube
2530-00-863-55787423 INTERCHANGEABLE
Reducer Brake Line
Fwd Seagrave Holdings Lp
5120-00-886-17947423 INTERCHANGEABLE
Wrench,spanner
Fischer Usa Inc
5975-01-030-48417423 INTERCHANGEABLE
Plate,wall,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5950-01-083-9457SMD447522 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
7423 Cummins Filtration Inc. (USA)
7423N PRIMARY Cummins Filtration Inc. (USA)
ABT7423 Ar Bee Corp (USA)
T-7423 Cummins Filtration Inc. (USA)
Related Parts
4720-00-035-8919INTERCHANGEABLE
HOSE,PREFORMED
20557
5815-00-125-4869INTERCHANGEABLE
BAR,T,TELETYPEWRITER
7423
5340-00-229-7717INTERCHANGEABLE
CLAMP,LOOP
6760-00-370-2991INTERCHANGEABLE
TRIPOD
7423
5930-00-564-3749INTERCHANGEABLE
SWITCH,PULL
7423
5960-00-827-1201INTERCHANGEABLE
ELECTRON TUBE
2530-00-863-5578INTERCHANGEABLE
REDUCER BRAKE LINE
7423
5120-00-886-1794INTERCHANGEABLE
WRENCH,SPANNER
7423
5975-01-030-4841INTERCHANGEABLE
PLATE,WALL,ELECTRICAL
7423
5950-01-083-9457INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SMD447522
6520-01-169-0261INTERCHANGEABLE
ETCHING GEL,DENTAL
7423
4820-01-411-7609INTERCHANGEABLE
STEM,FLUID VALVE
7423

Frequently Asked Questions

What is NSN 2990-00-859-5949?

NSN 2990-00-859-5949 is a Muffler,exhaust, manufactured by Cummins Filtration Inc., classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-859-5949?

NSN 2990-00-859-5949 has 4 cross-referenced part numbers: 7423 (Cummins Filtration Inc.), 7423N (Cummins Filtration Inc.), ABT7423 (Ar Bee Corp), T-7423 (Cummins Filtration Inc.).

What NSN replaces 2990-00-859-5949?

There are 12 known substitutes for 2990-00-859-5949: 4720-00-035-8919, 5815-00-125-4869, 5340-00-229-7717 and 9 more. Verify interchangeability with system specifications before substitution.

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