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603ITEM29 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

603ITEM29: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, coil_quantity: 8-1/2, inside_diameter: 0.750 INCHES NOMINAL IN, style_designator: CYLINDRICAL, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-290-8910, 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
603ITEM29
NSN: 5360-00-290-8910
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 6X081 — COOPER INDUSTRIES INDUSTRIAL MACHINERY DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity8-1/2
inside_diameter0.750 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentCADMIUM OVERALL
spring_free_length2.250 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_deflection_rate410.000 POUNDS PER INCH NOMINAL LBS
spring_free_outside_diameter1.134 INCHES NOMINAL IN
NSN5360-00-290-8910
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 603ITEM29 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 1.134 INCHES NOMINAL IN
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 2.250 INCHES NOMINAL IN
•
SPRING DEFLECTION RATE: 410.000 POUNDS PER INCH NOMINAL LBS
•
INSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
COIL QUANTITY: 8-1/2
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER1.134 INCHES NOMINAL IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH2.250 INCHES NOMINAL IN
SPRING DEFLECTION RATE410.000 POUNDS PER INCH NOMINAL LBS
INSIDE DIAMETER0.750 INCHES NOMINAL IN
COIL QUANTITY8-1/2
SURFACE TREATMENTCADMIUM OVERALL
COIL HELIX DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 4
185450-376-8Reference document
Same NSN cross-reference
Reference document — Secondary reference
621PC170JReference document
Same NSN cross-reference
Reference document — Secondary reference
78N25Reference document
Same NSN cross-reference
Reference document — Secondary reference
TYPE1506-1-110Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 603ITEM29?
603ITEM29 is a SPRING,HELICAL,COMPRESSION.
What parts can replace 603ITEM29?
There are 4 known substitutes for 603ITEM29: 185450-376-8, 621PC170J, 78N25 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 603ITEM29?
603ITEM29 is cataloged in the U.S. Government catalog under NSN 5360-00-290-8910. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.