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Technical Data Sheet
RK-63503 ✓ 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 LOCK KIT,FIFTH WHEE is a the manufacturer industrial component. Key specifications include diameter: 0.041 INCHES NOMINAL STOCK IN, material: STEEL OVERALL, duty_type: CONTINUOUS, overall_width: 1.930 INCHES NOMINAL IN, overall_height: 2.620 INCHES NOMINAL IN, overall_length: 4.460 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2510-01-085-6135, 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
RK-63503
NSN: 2510-01-085-6135
FSC: 2510
CAGE: 74410 — SAF-HOLLAND, INC. (USA)
SPECIFICATIONS
diameter0.041 INCHES NOMINAL STOCK IN
materialSTEEL OVERALL
duty_typeCONTINUOUS
coil_quantity1
overall_width1.930 INCHES NOMINAL IN
overall_height2.620 INCHES NOMINAL IN
overall_length4.460 INCHES NOMINAL IN
style_designatorLADDER
winding_quantity1
breaking_strength5.000 HARNESS GROUP 3
surface_treatmentCOPPER ALLOY OVERALL
mounting_facility_patternTRIANGLE SINGLE MOUNTING FACILITY
NSN2510-01-085-6135
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LOCK KIT,FIFTH WHEE TITLE COMPONENT PN RK-63503 MFR LOCK KIT,FIFTH WHEE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
4S3-78C-3Interchangeable
interchangeable cross-reference
interchangeable
575C-3.4Interchangeable
interchangeable cross-reference
interchangeable
5075C-2.8Interchangeable
interchangeable cross-reference
interchangeable
6350-3Interchangeable
interchangeable cross-reference
interchangeable
6350Interchangeable
interchangeable cross-reference
interchangeable
01087Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RK-63503?
RK-63503 is a LOCK KIT,FIFTH WHEE.
What parts can replace RK-63503?
There are 9 known substitutes for RK-63503: 4S3-78C-3, 575C-3.4, 5075C-2.8 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RK-63503?
RK-63503 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2510-01-085-6135. This indicates validated use in U.S. government and defense supply chains.
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