PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55Cap Assembly,protective,muffler-

Waterloo Foundry Co Inc · NSN 2990-00-718-6226 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-718-6226 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-718-6226. Primary manufacturer part number: 55.
Features
  • Cap Assembly,protective,muffler- — FSC 2990
  • 13 verified cross-references
  • Primary manufacturer: Waterloo Foundry Co Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cap Assembly,protective,muffler-, cataloged under National Stock Number 2990-00-718-6226, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Waterloo Foundry Co Inc. This item has 13 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameCap Assembly,protective,muffler-
FSC / FSG2990 — No Item Name Available (FSG 29)
ManufacturersWaterloo Foundry Co Inc (CAGE 95817); Gleason Corp Anthes Div (CAGE 81859); Mercury Products Corp (CAGE 17284); Atwood Fence Co Inc (CAGE 93334); White Farm Equipment Co Sub of Tic Investment Corp (CAGE 93343)
Technical Specifications
ParameterValue
NSN2990-00-718-6226
Primary Part Number55
Item NameCap Assembly,protective,muffler-
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWaterloo Foundry Co Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3120-00-125-9889 INTERCHANGEABLE
Bearing Half,sleeve
6605-00-312-640761454 INTERCHANGEABLE
Roller Assy
Ambac International Corporation Div Ambac International
5330-00-409-9605NUMBER4 INTERCHANGEABLE
Seal,special
Nyltite Corp of America
7310-00-567-9477AP200C INTERCHANGEABLE
Cover,steam Table Pan
American Permanent Ware Company Dba Apw/wyott Foodservice Eqp Co
5998-01-333-7452 INTERCHANGEABLE
Printed Circuit Board
Cross-Reference Index
Part NumberManufacturer
55 Waterloo Foundry Co Inc (USA)
NUMBER 4 Gleason Corp Anthes Div (USA)
77-200 Mercury Products Corp (USA)
2407240 Atwood Fence Co Inc (USA)
A1600-19 NO.4 Gleason Corp Anthes Div (USA)
1KS431B White Farm Equipment Co Sub of Tic Investment Corp
2407-240 Atwood Fence Co Inc (USA)
61454 Davey Compressor Co Div of Keco Industries Inc (USA)
49495 Davey Compressor Co Div of Keco Industries Inc (USA)
DDW-495-8 Hobart Bros Co (USA)
11005 Gleason Corp Anthes Div (USA)
4 Donaldson Co Inc Kittell Div (USA)
C0UH2897 Schramm, Inc. (USA)
Related Parts
3120-00-125-9889INTERCHANGEABLE
BEARING HALF,SLEEVE
6605-00-312-6407INTERCHANGEABLE
ROLLER ASSY
61454
5330-00-409-9605INTERCHANGEABLE
SEAL,SPECIAL
NUMBER4
7310-00-567-9477INTERCHANGEABLE
COVER,STEAM TABLE PAN
AP200C
5998-01-333-7452INTERCHANGEABLE
PRINTED CIRCUIT BOARD

Frequently Asked Questions

What is NSN 2990-00-718-6226?

NSN 2990-00-718-6226 is a Cap Assembly,protective,muffler-, manufactured by Waterloo Foundry Co Inc, classified under FSC 2990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2990-00-718-6226?

NSN 2990-00-718-6226 has 13 cross-referenced part numbers: 55 (Waterloo Foundry Co Inc), NUMBER 4 (Gleason Corp Anthes Div), 77-200 (Mercury Products Corp), 2407240 (Atwood Fence Co Inc), A1600-19 NO.4 (Gleason Corp Anthes Div) and 8 more.

What NSN replaces 2990-00-718-6226?

There are 5 known substitutes for 2990-00-718-6226: 3120-00-125-9889, 6605-00-312-6407, 5330-00-409-9605 and 2 more. Verify interchangeability with system specifications before substitution.

Is NSN 2990-00-718-6226 still in active supply?

NSN 2990-00-718-6226 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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