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Technical Data Sheet
811A ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The ELECTRON TUBE is a the manufacturer industrial component. Key specifications include material: ALUMINUM, nut_style: ROUND, tube_type: TRIODE, nut_diameter: 2.230 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN, thread_class: 2B, nut_thickness: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM 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 6625-01-248-8552, 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
811A
NSN: 6625-01-248-8552
FSC: 6625
CAGE: 06678 — ROTEK INSTRUMENT CORP (USA)
SPECIFICATIONS
materialALUMINUM
nut_styleROUND
tube_typeTRIODE
nut_diameter2.230 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN
thread_class2B
nut_thickness0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
thread_seriesUNEF
hardness_rating66.0 ROCKWELL B MINIMUM AND 92.0 ROCKWELL B MAXIMUM
calibration_typeRF WATTAGE
special_featuresPERMITS MULTIPLE POTENTIAL INPUTS IN PARALLEL; CURRENT TO 50 AMPS AT 20 VA OR MULTIPLE INPUTS IN SERIES; PROGRAMMABLE PULSE COUNTER; ENERGY DISPLAY
thread_directionRIGHT-HAND
drive_point_depth0.094 INCHES NOMINAL IN
NSN6625-01-248-8552
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ELECTRON TUBE TITLE COMPONENT PN 811A MFR ELECTRON TUBE
KEY FEATURES
MATERIAL: ALUMINUM
CALIBRATION TYPE: RF WATTAGE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONMODEL 1B-10 WATTMETER
SPECIAL FEATURESPERMITS MULTIPLE POTENTIAL INPUTS IN PARALLEL; CURRENT TO 50 AMPS AT 20 VA OR MULTIPLE INPUTS IN SERIES; PROGRAMMABLE PULSE COUNTER; ENERGY DISPLAY
MATERIALALUMINUM
CALIBRATION TYPERF WATTAGE
END ITEM IDENTIFICATIONMODEL 1B-10 WATTMETER
SPECIAL FEATURESPERMITS MULTIPLE POTENTIAL INPUTS IN PARALLEL; CURRENT TO 50 AMPS AT 20 VA OR MULTIPLE INPUTS IN SERIES; PROGRAMMABLE PULSE COUNTER; ENERGY DISPLAY
MATERIALALUMINUM
CALIBRATION TYPERF WATTAGE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
E2909PC74Interchangeable
interchangeable cross-reference
interchangeable
0048721Interchangeable
interchangeable cross-reference
interchangeable
3220987Interchangeable
interchangeable cross-reference
interchangeable
811Interchangeable
interchangeable cross-reference
interchangeable
811AInterchangeable
interchangeable cross-reference
interchangeable
97065Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 811A?
811A is a ELECTRON TUBE.
What parts can replace 811A?
There are 7 known substitutes for 811A: E2909PC74, 0048721, 3220987 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 811A?
811A is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-248-8552. This indicates validated use in U.S. government and defense supply chains.
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