PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5286EMuffler,exhaust-Intake

Harco Manufacturing Company Div Harco Manufacturing Company Inc · NSN 2990-01-473-6968 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-473-6968 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-473-6968. Primary manufacturer part number: 5286E.
Features
  • Muffler,exhaust-Intake — FSC 2990
  • Muffler Design: BAFFLE
  • Overall Diameter: 5.250 INCHES NOMINAL IN
  • Material: STEEL
  • Body Shape: ROUND
  • Design Type: JACKETED
  • 3 verified cross-references
  • Primary manufacturer: Harco Manufacturing Company Div Harco Manufacturing Company Inc
Applications
  • Applications requiring Steel construction
General Description

The Muffler,exhaust-Intake, cataloged under National Stock Number 2990-01-473-6968, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Harco Manufacturing Company Div Harco Manufacturing Company Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-473-6968
Primary Part Number5286E
Item NameMuffler,exhaust-Intake
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerHarco Manufacturing Company Div Harco Manufacturing Company Inc
StatusACTIVE
Muffler DesignBAFFLE
Overall Diameter5.250 INCHES NOMINAL IN
MaterialSTEEL
Body ShapeROUND
Design TypeJACKETED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5910-00-101-4676 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
5950-00-253-5154TF5-286 INTERCHANGEABLE
Transformer,power
Eldec Aerospace Corp
2805-00-737-50355286 INTERCHANGEABLE
Valve,poppet,engine
Eaton Corporation
5360-00-781-6954 INTERCHANGEABLE
Spring,helical,compression
5330-00-883-0713G9-239216 INTERCHANGEABLE
Gasket
Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
5950-00-938-11171619-63-3 INTERCHANGEABLE
Transformer,radio Frequency
Frequency Electronics Inc
5905-01-027-3548914103-2 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
2640-01-169-4703 INTERCHANGEABLE
Cap,pneumatic Valve
2510-01-195-68645286 INTERCHANGEABLE
Bracket,frame
Pdi Ground Support Systems, Inc.
5360-01-271-57295286 INTERCHANGEABLE
Spring
John Crane, Inc
Cross-Reference Index
Part NumberManufacturer
5286 Harco Manufacturing Company Div Harco Manufacturing Company Inc (USA)
105CFH1-8 Harco Manufacturing Company Div Harco Manufacturing Company Inc (USA)
5286E PRIMARY Harco Manufacturing Company Div Harco Manufacturing Company Inc (USA)
Related Parts
5910-00-101-4676INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
5950-00-253-5154INTERCHANGEABLE
TRANSFORMER,POWER
TF5-286
2805-00-737-5035INTERCHANGEABLE
VALVE,POPPET,ENGINE
5286
5360-00-781-6954INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5330-00-883-0713INTERCHANGEABLE
GASKET
G9-239216
5950-00-938-1117INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
1619-63-3
5905-01-027-3548INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
914103-2
2640-01-169-4703INTERCHANGEABLE
CAP,PNEUMATIC VALVE
2510-01-195-6864INTERCHANGEABLE
BRACKET,FRAME
5286
5360-01-271-5729INTERCHANGEABLE
SPRING
5286

Frequently Asked Questions

What is NSN 2990-01-473-6968?

NSN 2990-01-473-6968 is a Muffler,exhaust-Intake, manufactured by Harco Manufacturing Company Div Harco Manufacturing Company Inc, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-473-6968?

NSN 2990-01-473-6968 has 3 cross-referenced part numbers: 5286 (Harco Manufacturing Company Div Harco Manufacturing Company Inc), 105CFH1-8 (Harco Manufacturing Company Div Harco Manufacturing Company Inc), 5286E (Harco Manufacturing Company Div Harco Manufacturing Company Inc).

What NSN replaces 2990-01-473-6968?

There are 10 known substitutes for 2990-01-473-6968: 5910-00-101-4676, 5950-00-253-5154, 2805-00-737-5035 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5286E?

Key specifications for 5286E: Muffler Design: BAFFLE; Overall Diameter: 5.250 INCHES NOMINAL IN; Overall Length: 11.164 INCHES NOMINAL IN; Material: STEEL. 8 total characteristics are documented in the Federal Logistics Information System.

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