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BL59057-2 — RETAINER,ELECTRON TUBE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

BL59057-2: RETAINER,ELECTRON TUBE.

The RETAINER,ELECTRON TUBE is a the manufacturer industrial component. Key specifications include material: STEEL, overall_height: 0.093 INCHES NOMINAL IN, overall_diameter: 1.718 INCHES NOMINAL IN, special_features: 2 POSTS 3.125 IN. LG ON 1.510 IN.

DIA CIRCLE ATTACHED TO RETAINER IN, style_designator: CUP, bolt_circle_diameter: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. This part is cataloged in the U.S. Government catalog under NSN 5960-00-387-6186, 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
BL59057-2
NSN: 5960-00-387-6186
FSC: 5960 — Electron Tubes and Associated Hardware
CAGE: 64959 — AMERICAN TELEPHONE AND TELEGRAPH CO (USA)
SPECIFICATIONS
materialSTEEL
overall_height0.093 INCHES NOMINAL IN
overall_diameter1.718 INCHES NOMINAL IN
special_features2 POSTS 3.125 IN. LG ON 1.510 IN. DIA CIRCLE ATTACHED TO RETAINER IN
style_designatorCUP
bolt_circle_diameter1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
unthreaded_mounting_hole_diameter0.116 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
mounting_facility_type_and_quantity6 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
accommodated_item_securing_device_typeFRICTION FASTENER
eia_electron_tube_envelope_accommodatedST12
NSN5960-00-387-6186
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER,ELECTRON TUBE TITLE COMPONENT PN BL59057-2 MFR RETAINER,ELECTRON TUBE
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 6 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
•
EIA ELECTRON TUBE ENVELOPE ACCOMMODATED: ST12
•
OVERALL DIAMETER: 1.718 INCHES NOMINAL IN
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.116 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
•
STYLE DESIGNATOR: CUP
•
ACCOMMODATED ITEM SECURING DEVICE TYPE: FRICTION FASTENER
•
BOLT CIRCLE DIAMETER: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY6 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
OVERALL HEIGHT0.093 INCHES NOMINAL IN
EIA ELECTRON TUBE ENVELOPE ACCOMMODATEDST12
OVERALL DIAMETER1.718 INCHES NOMINAL IN
UNTHREADED MOUNTING HOLE DIAMETER0.116 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
STYLE DESIGNATORCUP
ACCOMMODATED ITEM SECURING DEVICE TYPEFRICTION FASTENER
BOLT CIRCLE DIAMETER1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
SPECIAL FEATURES2 POSTS 3.125 IN. LG ON 1.510 IN. DIA CIRCLE ATTACHED TO RETAINER IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
2396-129Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
665199Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BL59057-2?
BL59057-2 is a RETAINER,ELECTRON TUBE.
What parts can replace BL59057-2?
There are 2 known substitutes for BL59057-2: 2396-129, 665199. Substitute compatibility should be verified for your specific system.
What is the NSN for BL59057-2?
BL59057-2 is cataloged in the U.S. Government catalog under NSN 5960-00-387-6186. This indicates validated use in U.S. government and defense supply chains.
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