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521791 ✓ 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 ADAPTER,AIRCRAFT MOORING is a the manufacturer industrial component. Key specifications include material: COPPER OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, overall_width: 0.302 INCHES IN, overall_length: 0.982 INCHES IN, inside_diameter: 0.109 INCHES NOMINAL IN, style_designator: CYLINDRICAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-343-7021, 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
521791
NSN: 6625-01-343-7021
FSC: 6625
CAGE: 98853 — HAMILTON STANDARD ELECTRONICS SYSTEMS INC TELE-DYNAMICS DIV (USA)
SPECIFICATIONS
materialCOPPER OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
overall_width0.302 INCHES IN
overall_length0.982 INCHES IN
inside_diameter0.109 INCHES NOMINAL IN
style_designatorCYLINDRICAL
basic_shape_styleCRIMP
surface_treatmentTIN OVERALL SINGLE LAYER
material_thickness0.030 INCHES IN
spring_free_length0.953 INCHES NOMINAL IN
coil_helix_directionLEFT-HAND
mounting_method_styleSTRAIGHT ONE HOLE
NSN6625-01-343-7021
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ADAPTER,AIRCRAFT MOORING TITLE COMPONENT PN 521791 MFR ADAPTER,AIRCRAFT MOORI
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONGLAMPS(LIGHT AIRBORNE MULTIPURPOSE SYS)
END ITEM IDENTIFICATIONGLAMPS(LIGHT AIRBORNE MULTIPURPOSE SYS)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
96228-1Interchangeable
interchangeable cross-reference
interchangeable
94080-1Interchangeable
interchangeable cross-reference
interchangeable
Y1015B3PC9Interchangeable
interchangeable cross-reference
interchangeable
Y1015A1PC9Interchangeable
interchangeable cross-reference
interchangeable
Y1015B2PC9Interchangeable
interchangeable cross-reference
interchangeable
52179-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 521791?
521791 is a ADAPTER,AIRCRAFT MOORING.
What parts can replace 521791?
There are 8 known substitutes for 521791: 96228-1, 94080-1, Y1015B3PC9 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 521791?
521791 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-343-7021. 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