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PartsTable / COMPONENT / M25666/4
M25666/4 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The M25666/4 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1660-00-883-5733, 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
M25666/4
NSN: 1660-00-883-5733
FSC: 1660
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM25666/4
NSN1660-00-883-5733
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available M25666/4 TITLE COMPONENT PN M25666/4 MFR M25666/4
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: MINIMUM CAPACITY 5 LITERS,OPERATING PRESSURE 70 PS1G,WT 12 LBS,7.094 IN. MIN 7.938 IN. MAX,HT,11.625 IN.W,W/CAPACITANCE GAGINGELEMENT,W/O WARMING COIL LBS
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMINIMUM CAPACITY 5 LITERS,OPERATING PRESSURE 70 PS1G,WT 12 LBS,7.094 IN. MIN 7.938 IN. MAX,HT,11.625 IN.W,W/CAPACITANCE GAGINGELEMENT,W/O WARMING COIL LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
654157-11Interchangeable
interchangeable cross-reference
interchangeable
29061A4Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-25973Interchangeable
interchangeable cross-reference
interchangeable
10C0021-5Interchangeable
interchangeable cross-reference
interchangeable
GCU12A/AInterchangeable
interchangeable cross-reference
interchangeable
8148650Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M25666/4?
M25666/4 is a M25666/4.
What parts can replace M25666/4?
There are 12 known substitutes for M25666/4: 654157-11, 29061A4, MIL-C-25973 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M25666/4?
M25666/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1660-00-883-5733. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026