PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1985Muffler,exhaust

Arvin Industries Inc · NSN 2990-00-860-9798 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-860-9798 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-860-9798. Primary manufacturer part number: 1985.
Features
  • Muffler,exhaust — FSC 2990
  • Muffler Design: MULTIPASS
  • Design Type: JACKETED
  • Outlet Location: CENTRALLY LOCATED ON END OF BODY
  • Inlet Location: CENTRALLY LOCATED ON END OF BODY
  • Surface Treatment: ALUMINUM OR ZINC
  • Outlet Inside Diameter: 2.000 INCHES NOMINAL FIRST OUTLET IN
  • Inlet Projection Length: 2.500 INCHES NOMINAL SINGLE INLET IN
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-860-9798, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Arvin Industries Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 17 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
NSN2990-00-860-9798
Primary Part Number1985
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerArvin Industries Inc
StatusCANCELLED
Muffler DesignMULTIPASS
Design TypeJACKETED
Outlet LocationCENTRALLY LOCATED ON END OF BODY
Inlet LocationCENTRALLY LOCATED ON END OF BODY
Surface TreatmentALUMINUM OR ZINC
Outlet Inside Diameter2.000 INCHES NOMINAL FIRST OUTLET IN
Inlet Projection Length2.500 INCHES NOMINAL SINGLE INLET IN
Inlet Inside Diameter2.250 INCHES NOMINAL SINGLE INLET IN
Overall Diameter5.000 INCHES NOMINAL IN
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Tube Quantity3
Outlet Projection Length2.500 INCHES NOMINAL FIRST OUTLET IN
MaterialASBESTOS INSULATION
Inlet Connection TypeUNTHREADED SINGLE INLET
Outlet Connection TypeUNTHREADED FIRST OUTLET
Operating PositionHORIZONTAL
Body ShapeROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-0263497 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Rbc Bearings Incorporated Div West Trenton Division
3110-00-100-07221985 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3110-00-117-06931207-B INTERCHANGEABLE
Bearing,roller,cylindrical
Regal Beloit America, Inc. Dba Rollway Bearing
3110-00-120-332734159A9 INTERCHANGEABLE
Bearing,roller,needle
Terex American Crane Corp
5340-00-136-220710068293 INTERCHANGEABLE
Handle,bow
Us Army Aviation and Missile Command
3110-00-151-956728156-28317 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
4920-00-167-01362995 INTERCHANGEABLE
Stand,maintenance,aircraft Engin
Allison Transmission Inc Dba Allison Transmission, Inc
5120-00-180-0833793 INTERCHANGEABLE
Seamer,sheet Metal,hand
Rw Acquisition, Llc Dba Roper Whitney Company
2925-00-182-8907 INTERCHANGEABLE
Spacer,breaker Hold
5998-00-197-7565950149-101 INTERCHANGEABLE
Circuit Card Assembly
Lockheed Martin Corp
Cross-Reference Index
Part NumberManufacturer
37V International Parts Corp Div of Midas-International Corp (USA)
1985 PRIMARY Arvin Industries Inc (USA)
D054 PRIMARY Maremont Corp (USA)
1937614 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
1202 De Koven Mfg Co (USA)
91-1937614 Brighton Cromwell Llc (USA)
091-91-1937614 Brighton Cromwell Llc (USA)
734 Ap Parts Co Industrial Sales Div (USA)
497 Haviland Arnold Co (USA)
1937614 Chrysler Corp Service and Parts Opns (USA)
091-91-1937614 Ar Bee Corp (USA)
2825226 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
1937614 Chrysler Corp (USA)
91-1937614 Ar Bee Corp (USA)
1202 Walker Mfg Co (USA)
21261 PRIMARY Walker Mfg Co (USA)
549 PRIMARY Merit Industries Inc (USA)
1937614 Chrysler Corp Hamtramck Assembly (USA)
734 Ap Parts Co Youngstown Div (USA)
793 Mahle Aftermarket Inc. Dba Ae Clevite Inc (USA)
Related Parts
3110-00-100-0263INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
497
3110-00-100-0722INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
1985
3110-00-117-0693INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
1207-B
3110-00-120-3327INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
34159A9
5340-00-136-2207INTERCHANGEABLE
HANDLE,BOW
10068293
3110-00-151-9567INTERCHANGEABLE
BEARING,ROLLER,TAPERED
28156-28317
4920-00-167-0136INTERCHANGEABLE
STAND,MAINTENANCE,AIRCRAFT ENGIN
2995
5120-00-180-0833INTERCHANGEABLE
SEAMER,SHEET METAL,HAND
793
2925-00-182-8907INTERCHANGEABLE
SPACER,BREAKER HOLD
5998-00-197-7565INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
950149-101
5307-00-206-4044INTERCHANGEABLE
STUD,PLAIN
212
5120-00-212-4080INTERCHANGEABLE
ROLLER,TUBE BEARING

Frequently Asked Questions

What is NSN 2990-00-860-9798?

NSN 2990-00-860-9798 is a Muffler,exhaust, manufactured by Arvin Industries Inc, classified under FSC 2990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2990-00-860-9798?

NSN 2990-00-860-9798 has 21 cross-referenced part numbers: 37V (International Parts Corp Div of Midas-International Corp), 1985 (Arvin Industries Inc), D054 (Maremont Corp), 1937614 (Chrysler Realty Company Llc Dba Daimler Chrysler), 1202 (De Koven Mfg Co) and 16 more.

What NSN replaces 2990-00-860-9798?

There are 12 known substitutes for 2990-00-860-9798: 3110-00-100-0263, 3110-00-100-0722, 3110-00-117-0693 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1985?

Key specifications for 1985: Muffler Design: MULTIPASS; Overall Length: 39.250 INCHES NOMINAL IN; Design Type: JACKETED; Outlet Location: CENTRALLY LOCATED ON END OF BODY. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2990-00-860-9798 still in active supply?

NSN 2990-00-860-9798 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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