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HL4494P154 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

HL4494P154: 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: 6-1/2, inside_diameter: 0.521 INCHES NOMINAL IN, style_designator: CYLINDRICAL, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-297-2289, 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
HL4494P154
NSN: 5360-00-297-2289
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 0AT62 — SIEMENS ENERGY, INC. DBA DRESSER-RAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity6-1/2
inside_diameter0.521 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentCADMIUM OVERALL
spring_free_length1.250 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_deflection_rate186.600 POUNDS PER INCH NOMINAL LBS
spring_free_outside_diameter0.73975 INCHES NOMINAL IN
NSN5360-00-297-2289
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN HL4494P154 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.73975 INCHES NOMINAL IN
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 1.250 INCHES NOMINAL IN
•
SPRING DEFLECTION RATE: 186.600 POUNDS PER INCH NOMINAL LBS
•
INSIDE DIAMETER: 0.521 INCHES NOMINAL IN
•
COIL QUANTITY: 6-1/2
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.73975 INCHES NOMINAL IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH1.250 INCHES NOMINAL IN
SPRING DEFLECTION RATE186.600 POUNDS PER INCH NOMINAL LBS
INSIDE DIAMETER0.521 INCHES NOMINAL IN
COIL QUANTITY6-1/2
SURFACE TREATMENTCADMIUM OVERALL
COIL HELIX DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 4
7903PCITEM10Reference document
Same NSN cross-reference
Reference document — Secondary reference
78N41Reference document
Same NSN cross-reference
Reference document — Secondary reference
HL4494PC154Reference document
Same NSN cross-reference
Reference document — Secondary reference
1-2H120Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 HL4494P154?
HL4494P154 is a SPRING,HELICAL,COMPRESSION.
What parts can replace HL4494P154?
There are 4 known substitutes for HL4494P154: 7903PCITEM10, 78N41, HL4494PC154 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HL4494P154?
HL4494P154 is cataloged in the U.S. Government catalog under NSN 5360-00-297-2289. 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.