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M2939-1 68M ✓ 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 COOLING COIL,AIR,DUCT TYPE is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include shape: HORIZONTAL RECTANGULAR, tube_material: COPPER, special_features: NONMAGNETIC; STAINLESS STEEL FRAME; DESIGNED FOR NAVAL SHIPBOARD USE, nondefinitive_spec/std_data: 1 CLASS AND 68 SIZE AND N COMPOSITION, coil_refrigerant_type_for_which_designed: FRESH WATER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4130-01-348-1557, 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
M2939-1 68M
NSN: 4130-01-348-1557
FSC: 4130
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
shapeHORIZONTAL RECTANGULAR
tube_materialCOPPER
nondefinitive_spec/std_data1 CLASS AND 68 SIZE AND N COMPOSITION
coil_refrigerant_type_for_which_designedFRESH WATER
NSN4130-01-348-1557
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COOLING COIL,AIR,DUCT TYPE TITLE COMPONENT PN M2939-1 68M MFR COOLING COIL,AIR,DUCT
KEY FEATURES
•
TUBE MATERIAL: COPPER
•
NONDEFINITIVE SPEC/STD DATA: 1 CLASS AND 68 SIZE AND N COMPOSITION
•
COIL REFRIGERANT TYPE FOR WHICH DESIGNED: FRESH WATER
•
SHAPE: HORIZONTAL RECTANGULAR
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS (FLIS)
TUBE MATERIALCOPPER
NONDEFINITIVE SPEC/STD DATA1 CLASS AND 68 SIZE AND N COMPOSITION
COIL REFRIGERANT TYPE FOR WHICH DESIGNEDFRESH WATER
SPECIAL FEATURESNONMAGNETIC; STAINLESS STEEL FRAME; DESIGNED FOR NAVAL SHIPBOARD USE
SHAPEHORIZONTAL RECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
805-1749027-48DWInterchangeable
interchangeable cross-reference
interchangeable
45DWInterchangeable
interchangeable cross-reference
interchangeable
MIL-C-2939Interchangeable
interchangeable cross-reference
interchangeable
58E1100-5GInterchangeable
interchangeable cross-reference
interchangeable
58E1100 REV F SIZE 5GInterchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-2939GInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M2939-1 68M?
M2939-1 68M is a COOLING COIL,AIR,DUCT TYPE.
What parts can replace M2939-1 68M?
There are 12 known substitutes for M2939-1 68M: 805-1749027-48DW, 45DW, MIL-C-2939 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M2939-1 68M?
M2939-1 68M is cataloged in the Federal Logistics Information System (FLIS) under NSN 4130-01-348-1557. 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