PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MAM03-2511Muffler,exhaust

Donaldson Company, Inc. · NSN 2990-00-961-1177 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-961-1177 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-961-1177. Primary manufacturer part number: MAM03-2511.
Features
  • Muffler,exhaust — FSC 2990
  • 15 verified cross-references
  • Primary manufacturer: Donaldson Company, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-961-1177, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Donaldson Company, Inc.. This item has 15 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameMuffler,exhaust
FSC / FSG2990 — No Item Name Available (FSG 29)
ManufacturersDonaldson Company, Inc. (CAGE 18265); Cummins Filtration Inc. (CAGE 76700); Hollingsworth John R Co (CAGE 02032); Brighton Cromwell Llc (CAGE 3NNX8); Cecom Lr Center (CAGE 97403)
Technical Specifications
ParameterValue
NSN2990-00-961-1177
Primary Part NumberMAM03-2511
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerDonaldson Company, Inc.
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5330-00-285-4841 INTERCHANGEABLE
Seal,plain Encased
4320-00-482-6063 INTERCHANGEABLE
Piston,pump
4820-01-275-91318738 INTERCHANGEABLE
Seat,valve
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
4920-01-342-0661 INTERCHANGEABLE
Fixture,aircraft Maintenance
Cross-Reference Index
Part NumberManufacturer
MAM03-2511 PRIMARY Donaldson Company, Inc. (USA)
T-7918 Cummins Filtration Inc. (USA)
8738 Cummins Filtration Inc. (USA)
T-8738 Cummins Filtration Inc. (USA)
5001S4 Donaldson Company, Inc. (USA)
MAM03-2510 Donaldson Company, Inc. (USA)
JHP111-14 Hollingsworth John R Co (USA)
ABT8738 Brighton Cromwell Llc (USA)
T-15643 Cummins Filtration Inc. (USA)
13208E5839 Cecom Lr Center (USA)
15643N PRIMARY Cummins Filtration Inc. (USA)
ABT8738 Ar Bee Corp (USA)
500154 Donaldson Company, Inc. (USA)
8738N Cummins Filtration Inc. (USA)
669-0193 Hollingsworth John R Co (USA)
Related Parts
5330-00-285-4841INTERCHANGEABLE
SEAL,PLAIN ENCASED
4320-00-482-6063INTERCHANGEABLE
PISTON,PUMP
4820-01-275-9131INTERCHANGEABLE
SEAT,VALVE
8738
4920-01-342-0661INTERCHANGEABLE
FIXTURE,AIRCRAFT MAINTENANCE

Frequently Asked Questions

What is NSN 2990-00-961-1177?

NSN 2990-00-961-1177 is a Muffler,exhaust, manufactured by Donaldson Company, Inc., classified under FSC 2990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2990-00-961-1177?

NSN 2990-00-961-1177 has 15 cross-referenced part numbers: MAM03-2511 (Donaldson Company, Inc.), T-7918 (Cummins Filtration Inc.), 8738 (Cummins Filtration Inc.), T-8738 (Cummins Filtration Inc.), 5001S4 (Donaldson Company, Inc.) and 10 more.

What NSN replaces 2990-00-961-1177?

There are 4 known substitutes for 2990-00-961-1177: 5330-00-285-4841, 4320-00-482-6063, 4820-01-275-9131 and 1 more. Verify interchangeability with system specifications before substitution.

Is NSN 2990-00-961-1177 still in active supply?

NSN 2990-00-961-1177 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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