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Technical Data Sheet
A-1821 ✓ 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, body_style: BUSHING MOUNT, body_width: 0.465 INCHES MAXIMUM IN, body_length: 0.510 INCHES MAXIMUM IN, thread_class: 2A A, actuator_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-00-272-8586, 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
A-1821
NSN: 5960-00-272-8586
FSC: 5960
CAGE: 27361 — BURKE PRODUCTS INC (USA)
SPECIFICATIONS
materialSTEEL
body_styleBUSHING MOUNT
body_width0.465 INCHES MAXIMUM IN
body_length0.510 INCHES MAXIMUM IN
thread_class2A A
actuator_styleROUND
bushing_length0.300 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height0.750 INCHES NOMINAL IN
actuator_height0.410 INCHES NOMINAL IN
inside_diameter1.235 INCHES MINIMUM AND 1.275 INCHES MAXIMUM IN
mounting_methodTHREADED BUSHING
NSN5960-00-272-8586
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER,ELECTRON TUBE TITLE COMPONENT PN A-1821 MFR RETAINER,ELECTRON TUBE
KEY FEATURES
STYLE DESIGNATOR: DOUBLE FOOT, SCREW CLAMP
MATERIAL: STEEL
MOUNTING SLOT LENGTH: 0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
MOUNTING FACILITY TYPE AND QUANTITY: 2 SLOT SINGLE MOUNTING FACILITY
DISTANCE FROM RETAINER CENTER TO MOUNTING FACILITY CENTER AT LOOP TIGHTENING DEVICE: 0.875 INCHES NOMINAL IN
MOUNTING SLOT WIDTH: 0.188 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
ELECTRON TUBE BASE ACCOMMODATED DIAMETER: +1.235 TO 1.275 INCHES IN
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 1.781 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORDOUBLE FOOT, SCREW CLAMP
MATERIALSTEEL
MOUNTING SLOT LENGTH0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
MOUNTING FACILITY TYPE AND QUANTITY2 SLOT SINGLE MOUNTING FACILITY
DISTANCE FROM RETAINER CENTER TO MOUNTING FACILITY CENTER AT LOOP TIGHTENING DEVICE0.875 INCHES NOMINAL IN
MOUNTING SLOT WIDTH0.188 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
ELECTRON TUBE BASE ACCOMMODATED DIAMETER+1.235 TO 1.275 INCHES IN
DISTANCE BETWEEN MOUNTING FACILITY CENTERS1.781 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
OVERALL HEIGHT0.750 INCHES NOMINAL IN
ACCOMMODATED ITEM SECURING DEVICE TYPECLAMP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
KN000429Interchangeable
interchangeable cross-reference
interchangeable
07-7166Interchangeable
interchangeable cross-reference
interchangeable
A-1821Interchangeable
interchangeable cross-reference
interchangeable
T9071270-2Interchangeable
Same NIIN cross-reference
interchangeable
BP13872Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-1821?
A-1821 is a RETAINER,ELECTRON TUBE.
What parts can replace A-1821?
There are 5 known substitutes for A-1821: KN000429, 07-7166, A-1821 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-1821?
A-1821 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-00-272-8586. This indicates validated use in U.S. government and defense supply chains.
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