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Technical Data Sheet
491788 ✓ Verified by PartsTable
· 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

The RETAINER,ELECTRON TUBE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_height: 0.531 INCHES NOMINAL IN, inside_diameter: 1.250 INCHES NOMINAL IN, special_features: WEAPON SYSTEM ESSENTIAL, style_designator: SINGLE FOOT, CLIP LOCKED, TENSION CLAMP, features_provided: HOLDING SPUR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-00-170-4438, 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
491788
NSN: 5960-00-170-4438
FSC: 5960
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_height0.531 INCHES NOMINAL IN
inside_diameter1.250 INCHES NOMINAL IN
special_featuresWEAPON SYSTEM ESSENTIAL
style_designatorSINGLE FOOT, CLIP LOCKED, TENSION CLAMP
features_providedHOLDING SPUR
surface_treatmentPASSIVATE
mounting_slot_width0.194 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
mounting_slot_length0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
criticality_code_justificationFEAT
mounting_facility_type_and_quantity1 SLOT SINGLE MOUNTING FACILITY
accommodated_item_securing_device_typeCLAMP
NSN5960-00-170-4438
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER,ELECTRON TUBE TITLE COMPONENT PN 491788 MFR RETAINER,ELECTRON TUBE
KEY FEATURES
STYLE DESIGNATOR: SINGLE FOOT, CLIP LOCKED, TENSION CLAMP
FEATURES PROVIDED: HOLDING SPUR
ELECTRON TUBE BASE ACCOMMODATED DIAMETER: +1.235 TO 1.275 INCHES IN
CRITICALITY CODE JUSTIFICATION: FEAT
ACCOMMODATED ITEM SECURING DEVICE TYPE: CLAMP
MOUNTING SLOT LENGTH: 0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
ANGLE BETWEEN MOUNTING FACILITY AND TENSION LOOP CENTERLINES IN DEG: 60.0
MOUNTING SLOT WIDTH: 0.194 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSINGLE FOOT, CLIP LOCKED, TENSION CLAMP
FEATURES PROVIDEDHOLDING SPUR
ELECTRON TUBE BASE ACCOMMODATED DIAMETER+1.235 TO 1.275 INCHES IN
CRITICALITY CODE JUSTIFICATIONFEAT
ACCOMMODATED ITEM SECURING DEVICE TYPECLAMP
MOUNTING SLOT LENGTH0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
ANGLE BETWEEN MOUNTING FACILITY AND TENSION LOOP CENTERLINES IN DEG60.0
MOUNTING SLOT WIDTH0.194 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
DISTANCE FROM RETAINER CENTER TO END OF EXTENDED CLIP1.500 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
731-235-9Interchangeable
interchangeable cross-reference
interchangeable
020-013Interchangeable
interchangeable cross-reference
interchangeable
731-235-5Interchangeable
interchangeable cross-reference
interchangeable
929-1Interchangeable
interchangeable cross-reference
interchangeable
169684Interchangeable
interchangeable cross-reference
interchangeable
16984Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 491788?
491788 is a RETAINER,ELECTRON TUBE.
What parts can replace 491788?
There are 24 known substitutes for 491788: 731-235-9, 020-013, 731-235-5 and 21 more. Substitute compatibility should be verified for your specific system.
Is 491788 still available?
491788 is currently cancelled.
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