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Technical Data Sheet
PartsTable / COMPONENT / 7521-2
7521-2 ✓ 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: IRON CAST HOUSING, pipe_size_accommodated: 2.500 INCHES NOMINAL IN, working_pressure_rating: 500.000 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS, end_type_for_which_designed: GROOVED, reference_number_differentiating_characteristics: BTDT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1260-00-388-6561, 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
7521-2
NSN: 1260-00-388-6561
FSC: 1260
CAGE: 92755 — NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialIRON CAST HOUSING
segment_quantity2
pipe_size_accommodated2.500 INCHES NOMINAL IN
working_pressure_rating500.000 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
end_type_for_which_designedGROOVED
reference_number_differentiating_characteristicsBTDT
NSN1260-00-388-6561
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER,ELECTRON TUBE TITLE COMPONENT PN 7521-2 MFR RETAINER,ELECTRON TUBE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
7521-2Interchangeable
interchangeable cross-reference
interchangeable
L-024-075-LT0Interchangeable
interchangeable cross-reference
interchangeable
C-024-075-OTInterchangeable
interchangeable cross-reference
interchangeable
2.5 INCH STYLE 75Interchangeable
interchangeable cross-reference
interchangeable
92033-3001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7521-2?
7521-2 is a RETAINER,ELECTRON TUBE.
What parts can replace 7521-2?
There are 5 known substitutes for 7521-2: 7521-2, L-024-075-LT0, C-024-075-OT and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7521-2?
7521-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1260-00-388-6561. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026