PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27782Muffler,exhaust

John Deer Consumer Products Inc · NSN 2990-00-368-6742 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-368-6742 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-368-6742. Primary manufacturer part number: 27782.
Features
  • Muffler,exhaust — FSC 2990
  • Tube Quantity: 1
  • Muffler Design: BAFFLE
  • Body Shape: ROUND
  • Overall Diameter: 5.063 INCHES NOMINAL IN
  • Operating Position: UNIVERSAL
  • Outlet Inside Diameter: 0.813 INCHES NOMINAL FIRST OUTLET IN
  • Inlet Connection Type: UNTHREADED SINGLE INLET
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-368-6742, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is John Deer Consumer Products Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2990-00-368-6742
Primary Part Number27782
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerJohn Deer Consumer Products Inc
StatusCANCELLED
Tube Quantity1
Muffler DesignBAFFLE
Body ShapeROUND
Overall Diameter5.063 INCHES NOMINAL IN
Operating PositionUNIVERSAL
Outlet Inside Diameter0.813 INCHES NOMINAL FIRST OUTLET IN
Inlet Connection TypeUNTHREADED SINGLE INLET
Baffle Quantity3
Design TypeDRY
Inlet Inside Diameter1.500 INCHES NOMINAL SINGLE INLET IN
Outlet Connection TypeUNTHREADED FIRST OUTLET
Inlet Outside Diameter1.625 INCHES NOMINAL SINGLE INLET IN
Inlet LocationCENTRALLY LOCATED IN END SECTION OF BODY
Inlet Projection Length1.250 INCHES NOMINAL SINGLE INLET IN
Outlet Projection Length2.125 INCHES NOMINAL FIRST OUTLET IN
Outlet LocationLOCATED 1-61/64 IN. C TO C FROM HORIZONGAL CENTERLINE IN
Outlet Outside Diameter0.875 INCHES NOMINAL FIRST OUTLET IN
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4820-00-416-6995027-782 INTERCHANGEABLE
Parts Kit,check Valve
Cooper Machinery Services Llc
6160-00-911-166827112 INTERCHANGEABLE
Parts Kit,battery
Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company
4720-00-997-8731100R3-20 INTERCHANGEABLE
Hose,nonmetallic
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
M8590L U S Army Tank Automotive Command Amsta-Im-Mm (USA)
R101-7-240 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
27782 PRIMARY John Deer Consumer Products Inc (USA)
Related Parts
4820-00-416-6995INTERCHANGEABLE
PARTS KIT,CHECK VALVE
027-782
6160-00-911-1668INTERCHANGEABLE
PARTS KIT,BATTERY
27112
4720-00-997-8731INTERCHANGEABLE
HOSE,NONMETALLIC
100R3-20

Frequently Asked Questions

What is NSN 2990-00-368-6742?

NSN 2990-00-368-6742 is a Muffler,exhaust, manufactured by John Deer Consumer Products Inc, classified under FSC 2990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2990-00-368-6742?

NSN 2990-00-368-6742 has 3 cross-referenced part numbers: M8590L (U S Army Tank Automotive Command Amsta-Im-Mm), R101-7-240 (U S Army Tank Automotive Command Amsta-Im-Mm), 27782 (John Deer Consumer Products Inc).

What NSN replaces 2990-00-368-6742?

There are 3 known substitutes for 2990-00-368-6742: 4820-00-416-6995, 6160-00-911-1668, 4720-00-997-8731. Verify interchangeability with system specifications before substitution.

What are the specifications of 27782?

Key specifications for 27782: Tube Quantity: 1; Muffler Design: BAFFLE; Body Shape: ROUND; Overall Diameter: 5.063 INCHES NOMINAL IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2990-00-368-6742 still in active supply?

NSN 2990-00-368-6742 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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