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BP4081 — RETAINER,ELECTRON TUBE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

BP4081: RETAINER,ELECTRON TUBE.

The RETAINER,ELECTRON TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 170, overall_width: 0.875 INCHES NOMINAL IN, overall_length: 2.625 INCHES NOMINAL IN, style_designator: IRREGULAR, mounting_facility_type_and_quantity: 1 FRICTION SINGLE MOUNTING FACILITY, material_document_and_classification: QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5960-00-775-3080, 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
BP4081
NSN: 5960-00-775-3080
FSC: 5960 — Electron Tubes and Associated Hardware
CAGE: 27361 — BURKE PRODUCTS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 170
overall_width0.875 INCHES NOMINAL IN
overall_length2.625 INCHES NOMINAL IN
style_designatorIRREGULAR
mounting_facility_type_and_quantity1 FRICTION SINGLE MOUNTING FACILITY
material_document_and_classificationQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE
accommodated_item_securing_device_typeHOLES
tube_envelope_accommodated_maximum_diameter0.601 INCHES IN
NSN5960-00-775-3080
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER,ELECTRON TUBE TITLE COMPONENT PN BP4081 MFR RETAINER,ELECTRON TUBE
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 FRICTION SINGLE MOUNTING FACILITY
•
TUBE ENVELOPE ACCOMMODATED MAXIMUM DIAMETER: 0.601 INCHES IN
•
STYLE DESIGNATOR: IRREGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE
•
ACCOMMODATED ITEM SECURING DEVICE TYPE: HOLES
•
MATERIAL: COPPER ALLOY 170
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY1 FRICTION SINGLE MOUNTING FACILITY
TUBE ENVELOPE ACCOMMODATED MAXIMUM DIAMETER0.601 INCHES IN
STYLE DESIGNATORIRREGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH2.625 INCHES NOMINAL IN
ACCOMMODATED ITEM SECURING DEVICE TYPEHOLES
OVERALL WIDTH0.875 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 170
SUBSTITUTES & CROSS-REFERENCES 1
A143Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BP4081?
BP4081 is a RETAINER,ELECTRON TUBE.
What parts can replace BP4081?
There is 1 known substitute for BP4081: A143. Substitute compatibility should be verified for your specific system.
What is the NSN for BP4081?
BP4081 is cataloged in the U.S. Government catalog under NSN 5960-00-775-3080. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.