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PartsTable / COMPONENT / 1521BX4-06
1521BX4-06 ✓ 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 1521BX4-06 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-578-5583, 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
1521BX4-06
NSN: 6685-00-578-5583
FSC: 6685
CAGE: 89944 — ELBITAMERICA, INC. (USA)
SPECIFICATIONS
Part Number1521BX4-06
NSN6685-00-578-5583
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 1521BX4-06 TITLE COMPONENT PN 1521BX4-06 MFR 1521BX4-06
KEY FEATURES
•
SCALE MARKING: LETTERS AND NUMERALS AND LINED INCREMENTS
•
NONDEFINITIVE SPEC/STD DATA: PE MA2 TYPE
•
SCALE MARKING TRANSPARENCY: FLUORESCENT
•
MECHANICAL CONNECTION QUANTITY: 1
•
SCALE SMALLEST INCREMENT GRADUATION: 1000 FT FT
•
POINTER FINISH: FLUORESCENT
•
MECHANICAL CONNECTION SIZE: 1/8 IN. IN
•
SCALE QUANTITY: 1
TECHNICAL CHARACTERISTICS (FLIS)
SCALE MARKINGLETTERS AND NUMERALS AND LINED INCREMENTS
NONDEFINITIVE SPEC/STD DATAPE MA2 TYPE
SCALE MARKING TRANSPARENCYFLUORESCENT
MECHANICAL CONNECTION QUANTITY1
SCALE SMALLEST INCREMENT GRADUATION1000 FT FT
POINTER FINISHFLUORESCENT
MECHANICAL CONNECTION SIZE1/8 IN. IN
SCALE QUANTITY1
MOUNTING METHODPANEL
SCALE NAMEALTITUDE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
MA2Interchangeable
interchangeable cross-reference
interchangeable
9S5259LALT9TYPEMA2Interchangeable
interchangeable cross-reference
interchangeable
1D10Interchangeable
Trainer,b-2 Aircraft Navigationa
interchangeable
2043Interchangeable
interchangeable cross-reference
interchangeable
02043Interchangeable
interchangeable cross-reference
interchangeable
A213Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1521BX4-06?
1521BX4-06 is a 1521BX4-06.
What parts can replace 1521BX4-06?
There are 21 known substitutes for 1521BX4-06: MA2, 9S5259LALT9TYPEMA2, 1D10 and 18 more. Substitute compatibility should be verified for your specific system.
Is 1521BX4-06 still available?
1521BX4-06 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026