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PartsTable / COMPONENT / 56539
56539 ✓ 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

CAP ASSEMBLY,BUFFET LAVATORY TAN. Key specifications include end_item_identification: ACFT,MODEL C-5A,C-141A A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-083-6249, 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
56539
NSN: 5360-00-083-6249
FSC: 5360
CAGE: 93835 — PARKER HANNIFIN CORPORATION DIV HYDRAULIC SYSTEMS DIVISION (USA)
SPECIFICATIONS
end_item_identificationACFT,MODEL C-5A,C-141A A
NSN5360-00-083-6249
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAP ASSEMBLY,BUFFET LAVATORY TAN TITLE COMPONENT PN 56539 MFR CAP ASSEMBLY,BUFFET LA
KEY FEATURES
•
BORE DIAMETER: 0.620 INCHES NOMINAL IN
•
SPRING FREE OUTSIDE DIAMETER: 0.593 INCHES MINIMUM AND 0.607 INCHES MAXIMUM IN
•
COIL QUANTITY: 10-1/2
•
MATERIAL: STEEL UNS K15590 OVERALL
•
COIL HELIX DIRECTION: LEFT-HAND
•
SPRING SOLID OUTSIDE DIAMETER: 0.593 INCHES NOMINAL IN
•
SPRING FREE LENGTH: 1.750 INCHES NOMINAL IN
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.620 INCHES NOMINAL IN
SPRING FREE OUTSIDE DIAMETER0.593 INCHES MINIMUM AND 0.607 INCHES MAXIMUM IN
COIL QUANTITY10-1/2
MATERIALSTEEL UNS K15590 OVERALL
COIL HELIX DIRECTIONLEFT-HAND
SPRING SOLID OUTSIDE DIAMETER0.593 INCHES NOMINAL IN
SPRING FREE LENGTH1.750 INCHES NOMINAL IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
INSIDE DIAMETER0.423 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
SPRING SOLID LENGTH0.903 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
SM-B-187575Interchangeable
interchangeable cross-reference
interchangeable
56539Interchangeable
interchangeable cross-reference
interchangeable
561LXInterchangeable
interchangeable cross-reference
interchangeable
EXP6-184-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 56539?
56539 is a CAP ASSEMBLY,BUFFET LAVATORY TAN.
What parts can replace 56539?
There are 4 known substitutes for 56539: SM-B-187575, 56539, 561LX and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 56539?
56539 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-083-6249. 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