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Technical Data Sheet
PartsTable / COMPONENT / 21526-77
21526-77 ✓ 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 SPACER,RING is a the manufacturer industrial component. Key specifications include surface_finish: 125.0 MICROINCHES BORE, inside_diameter: 1.510 INCHES NOMINAL IN, outside_diameter: 1.750 INCHES NOMINAL IN, overall_thickness: 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN, surface_treatment: CADMIUM, fsc_application_data: LANDING GEAR,RETRACTABLE,AIRCRAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-927-5560, 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
21526-77
NSN: 5365-00-927-5560
FSC: 5365
CAGE: 13002 — GOODRICH CORPORATION DIV ADVANCED STRUCTURES LANDING SYSTEMS (USA)
SPECIFICATIONS
surface_finish125.0 MICROINCHES BORE
inside_diameter1.510 INCHES NOMINAL IN
outside_diameter1.750 INCHES NOMINAL IN
overall_thickness0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
surface_treatmentCADMIUM
fsc_application_dataLANDING GEAR,RETRACTABLE,AIRCRAFT
NSN5365-00-927-5560
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,RING TITLE COMPONENT PN 21526-77 MFR SPACER,RING
KEY FEATURES
•
SURFACE FINISH: 125.0 MICROINCHES RIGHT SIDE
•
SURFACE TREATMENT: CADMIUM
•
FSC APPLICATION DATA: LANDING GEAR,RETRACTABLE,AIRCRAFT
•
OUTSIDE DIAMETER: 1.750 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.510 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISH125.0 MICROINCHES RIGHT SIDE
SURFACE TREATMENTCADMIUM
SURFACE FINISH125.0 MICROINCHES LEFT SIDE
SURFACE FINISH125.0 MICROINCHES LARGEST OUTSIDE DIAMETER
SURFACE FINISH125.0 MICROINCHES BORE
FSC APPLICATION DATALANDING GEAR,RETRACTABLE,AIRCRAFT
OUTSIDE DIAMETER1.750 INCHES NOMINAL IN
INSIDE DIAMETER1.510 INCHES NOMINAL IN
OVERALL THICKNESS0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
152677Interchangeable
interchangeable cross-reference
interchangeable
E635Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21526-77?
21526-77 is a SPACER,RING.
What parts can replace 21526-77?
There are 2 known substitutes for 21526-77: 152677, E635. Substitute compatibility should be verified for your specific system.
What is the NSN for 21526-77?
21526-77 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-927-5560. 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