PartsTable
Technical Data Sheet
81027 ✓ Verified by PartsTable
Trefl · 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

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include material: STEEL OVERALL, thickness: 1.0 MILLIMETERS NOMINAL MM, bore_shape: STRAIGHT, bore_diameter: 45.00 MILLIMETERS NOMINAL MM, overall_width: 76.0 MILLIMETERS NOMINAL MM, inclosure_type: FULLY INCLOSED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-108-7077, 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
81027
NSN: 5930-00-108-7077
FSC: 5930
CAGE: 04009 — COOPER INDUSTRIES INC COOPER DISTRIBUTION EQUIPMENT DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness1.0 MILLIMETERS NOMINAL MM
bore_shapeSTRAIGHT
bore_diameter45.00 MILLIMETERS NOMINAL MM
overall_width76.0 MILLIMETERS NOMINAL MM
inclosure_typeFULLY INCLOSED
load_directionRADIAL
overall_length50.0 MILLIMETERS NOMINAL MM
surface_finishGROUND
shield_quantity1
special_featuresTITANIUM MESH EMBEDDED WITHIN A POROUS POLYETHYLENE MATRIX WITH A SOLID,BARRIER SURFACE ON ONE SIDE, POTENTIALLY ALLOWING FOR FIBROVASCULAR INGROWTH ONLY ON THE POROUS SIDE OF THE IMPLANT.
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
NSN5930-00-108-7077
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Trefl SWITCH,RADIO FREQUENCY TRANSMISS TITLE COMPONENT PN 81027 MFR Trefl SWITCH,RADIO FREQUENCY
KEY FEATURES
CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 3.000 AMPERES RESISTIVE DC AND 3.000 AMPERES RESISTIVE AC
NONPILE-UP CONTACT ARRANGEMENT: 3 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
THREAD QUANTITY PER INCH: 32
MAXIMUM VOLTAGE RATING IN VOLTS: 250.0 AC AND 250.0 DC
TERMINAL TYPE AND QUANTITY: 6 TAB, SOLDER LUG
THREAD SERIES DESIGNATOR: UNS
NOMINAL THREAD SIZE: 0.469 INCHES IN
INCLOSURE TYPE: FULLY INCLOSED
TECHNICAL CHARACTERISTICS (FLIS)
CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE3.000 AMPERES RESISTIVE DC AND 3.000 AMPERES RESISTIVE AC
NONPILE-UP CONTACT ARRANGEMENT3 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
THREAD QUANTITY PER INCH32
MAXIMUM VOLTAGE RATING IN VOLTS250.0 AC AND 250.0 DC
TERMINAL TYPE AND QUANTITY6 TAB, SOLDER LUG
THREAD SERIES DESIGNATORUNS
NOMINAL THREAD SIZE0.469 INCHES IN
INCLOSURE TYPEFULLY INCLOSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
47609Interchangeable
interchangeable cross-reference
interchangeable
2014703Interchangeable
interchangeable cross-reference
interchangeable
4309PTFInterchangeable
interchangeable cross-reference
interchangeable
2425Interchangeable
interchangeable cross-reference
interchangeable
1182107Interchangeable
interchangeable cross-reference
interchangeable
4554Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81027?
81027 is a SWITCH,RADIO FREQUENCY TRANSMISS manufactured by Trefl.
What parts can replace 81027?
There are 9 known substitutes for 81027: 47609, 2014703, 4309PTF and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81027?
81027 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-108-7077. This indicates validated use in U.S. government and defense supply chains.
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