PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5941G1Cooler,fluid,industrial

Boyd Corporation (woburn) Inc · NSN 4420-01-266-8233 · FSC 4420 · No Item Name Available
Verified by PartsTable
NSN 4420-01-266-8233 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-266-8233. Primary manufacturer part number: 5941G1.
Features
  • Cooler,fluid,industrial — FSC 4420
  • Material: NICKEL ALLOY TUBES
  • Material: STEEL CORROSION RESISTING HOUSING
  • Tube Attachment Method: ANY ACCEPTABLE
  • Heat Transfer Method: INDIRECT
  • Tube Quantity: 65
  • 3 verified cross-references
  • Primary manufacturer: Boyd Corporation (woburn) Inc
Applications
  • Applications requiring Nickel Alloy Tubes construction
General Description

The Cooler,fluid,industrial, cataloged under National Stock Number 4420-01-266-8233, is classified within Federal Supply Class 4420 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Boyd Corporation (woburn) 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4420-01-266-8233
Primary Part Number5941G1
Item NameCooler,fluid,industrial
FSC / FSG4420 / 44 — No Item Name Available
ManufacturerBoyd Corporation (woburn) Inc
StatusACTIVE
MaterialNICKEL ALLOY TUBES
MaterialSTEEL CORROSION RESISTING HOUSING
Tube Attachment MethodANY ACCEPTABLE
Heat Transfer MethodINDIRECT
Tube Quantity65
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2805-00-313-3565 INTERCHANGEABLE
Clamp,breather Pipe
5330-00-344-3824 INTERCHANGEABLE
Gasket
5342-00-393-3737LCVP8991PC1T012 INTERCHANGEABLE
Latch,landing Craft
Fireye Inc
4820-01-058-7683594-1-12 INTERCHANGEABLE
Valve,angle
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-127-2559803-2177934-B116AF INTERCHANGEABLE
Valve,globe
Naval Ship Systems Command
6515-01-322-21045941 INTERCHANGEABLE
Glove,patient Examining
Johnson & Johnson Health Care Systems Inc.
6505-01-370-1664 INTERCHANGEABLE
Lidocaine Hydrochloride and Dext
6680-01-442-6204211035395 INTERCHANGEABLE
Accelerometer,high
Electric Boat Corporation Div General Dynamics Electric Boat
2530-01-624-12045941 INTERCHANGEABLE
Grip Thumbwhell
Teledyne Flir Unmanned Ground Systems, Inc
4820-01-665-94515941 INTERCHANGEABLE
Parts Kit,ball Valve
Mag Aerospace Industries, Llc Div Safran Cabins
Cross-Reference Index
Part NumberManufacturer
5941G1 PRIMARY Boyd Corporation (woburn) Inc (USA)
C-5941G1 Boyd Corporation (woburn) Inc (USA)
5941 Boyd Corporation (woburn) Inc (USA)
Related Parts
2805-00-313-3565INTERCHANGEABLE
CLAMP,BREATHER PIPE
5330-00-344-3824INTERCHANGEABLE
GASKET
5342-00-393-3737INTERCHANGEABLE
LATCH,LANDING CRAFT
LCVP8991PC1T012
4820-01-058-7683INTERCHANGEABLE
VALVE,ANGLE
594-1-12
4820-01-127-2559INTERCHANGEABLE
VALVE,GLOBE
803-2177934-B116AF
6515-01-322-2104INTERCHANGEABLE
GLOVE,PATIENT EXAMINING
5941
6505-01-370-1664INTERCHANGEABLE
LIDOCAINE HYDROCHLORIDE AND DEXT
6680-01-442-6204INTERCHANGEABLE
ACCELEROMETER,HIGH
211035395
2530-01-624-1204INTERCHANGEABLE
GRIP THUMBWHELL
5941
4820-01-665-9451INTERCHANGEABLE
PARTS KIT,BALL VALVE
5941
2040-01-728-6706INTERCHANGEABLE
DOOR,METAL,MARINE STRUCTURAL
WE-P22-A60SS-F-LH

Frequently Asked Questions

What is NSN 4420-01-266-8233?

NSN 4420-01-266-8233 is a Cooler,fluid,industrial, manufactured by Boyd Corporation (woburn) Inc, classified under FSC 4420 (No Item Name Available). Status: active.

What are the part numbers for NSN 4420-01-266-8233?

NSN 4420-01-266-8233 has 3 cross-referenced part numbers: 5941G1 (Boyd Corporation (woburn) Inc), C-5941G1 (Boyd Corporation (woburn) Inc), 5941 (Boyd Corporation (woburn) Inc).

What NSN replaces 4420-01-266-8233?

There are 11 known substitutes for 4420-01-266-8233: 2805-00-313-3565, 5330-00-344-3824, 5342-00-393-3737 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5941G1?

Key specifications for 5941G1: Material: NICKEL ALLOY TUBES; Material: STEEL CORROSION RESISTING HOUSING; Special Features: C/OTAIL PIECE PLAIN 2; NUT UNION 2; TAIL PIECE THREADED UNION 2; BYPASS TUBE 21; OUTER TUBE 42; OUTER FIN 320; WELDING ROD AR; BRACKET NAMEPLATE 1; HEADER PARTITION 1; END HEADER 8; TOP HEADER 1; BOTTOM HEADER 3; TOP HEADER SMALL 1; OUTLET TUBE 1; INLET TUBE 1; END HEADER 2; CORE ASSY 1; Tube Attachment Method: ANY ACCEPTABLE. 7 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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