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Technical Data Sheet
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D2654 — BONNET,FLUID COOLER,INDUSTRIAL

✓ Government record, cited
Neff · COMPONENT
PRODUCT OVERVIEW

D2654: BONNET,FLUID COOLER,INDUSTRIAL.

Features - 60cm wide integrated hood - Switch control operation - 3 speeds - 2 x 40 Watt lamps - Metal filter cover - 2 metal grease filters - Accepts furniture door Technical information - Noise at maximum 62dB re 1 pW This part is cataloged in the U.S. Government catalog under NSN 4420-01-327-9871, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
D2654
NSN: 4420-01-327-9871
FSC: 4420 — Heat Exchangers and Steam Condensers
CAGE: 78730 — XCHANGER MANUFACTURING CORPORATION DBA XCHANGER MANUFACTURING CORP (USA)
SPECIFICATIONS
height10.500 INCHES NOMINAL10.500 INCHES NOMINAL IN
length10.875 INCHES NOMINAL10.875 INCHES NOMINAL IN
diameter12.000 INCHES NOMINAL12.000 INCHES NOMINAL IN
materialCOPPER ALLOY AND NICKEL ALLOY OVERALL
flow_typeSINGLE PASSSINGLE PASS
style_designatorTWO PASS CHANNEL
NSN4420-01-327-9871
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Neff BONNET,FLUID COOLER,INDUSTRIAL TITLE COMPONENT PN D2654 MFR Neff BONNET,FLUID COOLER,IN
KEY FEATURES
•
LENGTH: 10.875 INCHES NOMINAL10.875 INCHES NOMINAL IN
•
STYLE DESIGNATOR: TWO PASS CHANNEL
•
DIAMETER: 12.000 INCHES NOMINAL12.000 INCHES NOMINAL IN
•
FLOW TYPE: SINGLE PASSSINGLE PASS
•
HEIGHT: 10.500 INCHES NOMINAL10.500 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY AND NICKEL ALLOY OVERALL
TECHNICAL CHARACTERISTICS
LENGTH10.875 INCHES NOMINAL10.875 INCHES NOMINAL IN
STYLE DESIGNATORTWO PASS CHANNEL
DIAMETER12.000 INCHES NOMINAL12.000 INCHES NOMINAL IN
FLOW TYPESINGLE PASSSINGLE PASS
HEIGHT10.500 INCHES NOMINAL10.500 INCHES NOMINAL IN
MATERIALCOPPER ALLOY AND NICKEL ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
D2641Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
D2654-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D2654?
D2654 is a BONNET,FLUID COOLER,INDUSTRIAL manufactured by Neff.
What parts can replace D2654?
There are 2 known substitutes for D2654: D2641, D2654-1. Substitute compatibility should be verified for your specific system.
What is the NSN for D2654?
D2654 is cataloged in the U.S. Government catalog under NSN 4420-01-327-9871. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.