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Technical Data Sheet
R4458-1PC66 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,GROUND BOTH ENDS, coil_quantity: 12, inside_diameter: 1.750 INCHES NOMINAL IN, style_designator: CYLINDRICAL, surface_treatment: CADMIUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-530-8273, 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
R4458-1PC66
NSN: 5360-00-530-8273
FSC: 5360
CAGE: 52406 — RUGGLES-KLINGEMANN MFG CO DBA THE RUGGLES-KLINGEMANN COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,GROUND BOTH ENDS
coil_quantity12
inside_diameter1.750 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentCADMIUM OVERALL
spring_free_length8.000 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_deflection_rate111.000 POUNDS PER INCH NOMINAL LBS
spring_free_outside_diameter2.3125 INCHES NOMINAL IN
material_document_and_classificationMIL-S-16410,GRADE A,TYPE 1,COMP 2-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5360-00-530-8273
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN R4458-1PC66 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
SPRING DEFLECTION RATE: 111.000 POUNDS PER INCH NOMINAL LBS
INSIDE DIAMETER: 1.750 INCHES NOMINAL IN
MATERIAL: STEEL OVERALL
END STYLE: SPRING END,GROUND BOTH ENDS
SPRING FREE OUTSIDE DIAMETER: 2.3125 INCHES NOMINAL IN
SPRING FREE LENGTH: 8.000 INCHES NOMINAL IN
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SPRING DEFLECTION RATE111.000 POUNDS PER INCH NOMINAL LBS
INSIDE DIAMETER1.750 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
END STYLESPRING END,GROUND BOTH ENDS
SPRING FREE OUTSIDE DIAMETER2.3125 INCHES NOMINAL IN
SPRING FREE LENGTH8.000 INCHES NOMINAL IN
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
SURFACE TREATMENTCADMIUM OVERALL
COIL QUANTITY12
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-16410,GRADE A,TYPE 1,COMP 2-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
SP45RAPC3Interchangeable
interchangeable cross-reference
interchangeable
S4700-1507371PC3Interchangeable
interchangeable cross-reference
interchangeable
SP47RAPC3Interchangeable
interchangeable cross-reference
interchangeable
SP45PC3Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R4458-1PC66?
R4458-1PC66 is a SPRING,HELICAL,COMPRESSION.
What parts can replace R4458-1PC66?
There are 4 known substitutes for R4458-1PC66: SP45RAPC3, S4700-1507371PC3, SP47RAPC3 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R4458-1PC66?
R4458-1PC66 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-530-8273. This indicates validated use in U.S. government and defense supply chains.
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