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HR51905 ✓ 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 SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, inside_diameter: 0.132 INCHES NOMINAL IN, style_designator: CYLINDRICAL, spring_free_length: 0.5625 INCHES NOMINAL IN, coil_helix_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-291-5416, 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
HR51905
NSN: 5360-00-291-5416
FSC: 5360
CAGE: 51228 — ECOLAIRE INC BALDWIN-HAMILTON CO DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity8
inside_diameter0.132 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length0.5625 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_free_outside_diameter0.172 INCHES NOMINAL IN
NSN5360-00-291-5416
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN HR51905 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
COIL QUANTITY: 8
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE OUTSIDE DIAMETER: 0.172 INCHES NOMINAL IN
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
•
MATERIAL: STEEL OVERALL
•
COIL HELIX DIRECTION: RIGHT-HAND
•
SPRING FREE LENGTH: 0.5625 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.132 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
COIL QUANTITY8
STYLE DESIGNATORCYLINDRICAL
SPRING FREE OUTSIDE DIAMETER0.172 INCHES NOMINAL IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
MATERIALSTEEL OVERALL
COIL HELIX DIRECTIONRIGHT-HAND
SPRING FREE LENGTH0.5625 INCHES NOMINAL IN
INSIDE DIAMETER0.132 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
11014681Interchangeable
interchangeable cross-reference
interchangeable
844Interchangeable
interchangeable cross-reference
interchangeable
381A125Interchangeable
interchangeable cross-reference
interchangeable
D10733-26-43Interchangeable
interchangeable cross-reference
interchangeable
149C082H03Interchangeable
interchangeable cross-reference
interchangeable
16845P11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HR51905?
HR51905 is a SPRING,HELICAL,COMPRESSION.
What parts can replace HR51905?
There are 15 known substitutes for HR51905: 11014681, 844, 381A125 and 12 more. Substitute compatibility should be verified for your specific system.
Is HR51905 still available?
HR51905 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026