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Technical Data Sheet
PartsTable / MRO / 27-239
27-239 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: COPPER ALLOY 260, cone_width: 1.3085 INCHES NOMINAL IN, bore_diameter: 2.1250 INCHES NOMINAL IN, terminal_type: WIRE LEAD, mounting_method: THREADED BUSHING AND LINE, outside_diameter: 2.750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-127-2789, 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
MRO→ MRO_GENERAL→ 27-239
NSN: 5930-00-127-2789
FSC: 5930
CAGE: 04034 — SETRA SYSTEMS, INC. DBA GEMS SENSORS (USA)
SPECIFICATIONS
materialCOPPER ALLOY 260
cone_width1.3085 INCHES NOMINAL IN
bore_diameter2.1250 INCHES NOMINAL IN
terminal_typeWIRE LEAD
mounting_methodTHREADED BUSHING AND LINE
outside_diameter2.750 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter2.298 INCHES MINIMUM AND 2.312 INCHES MAXIMUM IN
features_providedELECTRICAL ACCESS PORT
cone_corner_radius0.1406 INCHES NOMINAL IN
frequency_in_hertz60.0 FIRST VOLTAGE
nominal_thread_size0.500 INCHES SINGLE THREADED BUSHING IN
NSN5930-00-127-2789
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONE AND ROLLERS,TAPERED ROLLER TITLE COMPONENT PN 27-239 MFR CONE AND ROLLERS,TAPER
KEY FEATURES
•
MEDIA FOR WHICH DESIGNED: LIQUID
•
CONTACT VOLTAGE RATING IN VOLTS: 32.0 DC AT SEA LEVEL SECOND VOLTAGE
•
MOUNTING METHOD: THREADED BUSHING AND LINE
•
CONTACT ACTION STIMULUS: DECREASE
•
NONPILE-UP CONTACT ARRANGEMENT: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
•
THREAD SERIES DESIGNATOR: NPT SINGLE THREADED BUSHING
•
CONTACT ADJUSTABILITY: ACTUATION POINT NOT ADJUSTABLE
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDLIQUID
CONTACT VOLTAGE RATING IN VOLTS32.0 DC AT SEA LEVEL SECOND VOLTAGE
MOUNTING METHODTHREADED BUSHING AND LINE
CONTACT ACTION STIMULUSDECREASE
NONPILE-UP CONTACT ARRANGEMENT1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
THREAD SERIES DESIGNATORNPT SINGLE THREADED BUSHING
CONTACT ADJUSTABILITYACTUATION POINT NOT ADJUSTABLE
CONTACT VOLTAGE RATING IN VOLTS220.0 AC AT SEA LEVEL FIRST VOLTAGE
THREAD QUANTITY PER INCH14 SINGLE THREADED BUSHING
FREQUENCY IN HERTZ60.0 FIRST VOLTAGE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
3CE87Interchangeable
interchangeable cross-reference
interchangeable
27239Interchangeable
interchangeable cross-reference
interchangeable
78215Interchangeable
interchangeable cross-reference
interchangeable
952062Interchangeable
interchangeable cross-reference
interchangeable
42981Interchangeable
interchangeable cross-reference
interchangeable
09-42981Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 27-239?
27-239 is a CONE AND ROLLERS,TAPERED ROLLER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 27-239?
There are 14 known substitutes for 27-239: 3CE87, 27239, 78215 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 27-239?
27-239 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-127-2789. 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