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PartsTable / COMPONENT / HR51101
HR51101 ✓ 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: 0.656 INCHES MINIMUM AND 0.671 INCHES MAXIMUM IN, style_designator: CYLINDRICAL, spring_free_length: 2.125 INCHES NOMINAL IN, coil_helix_direction: LEFT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-291-5417, 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
HR51101
NSN: 5360-00-291-5417
FSC: 5360
CAGE: 51228 — ECOLAIRE INC BALDWIN-HAMILTON CO DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
inside_diameter0.656 INCHES MINIMUM AND 0.671 INCHES MAXIMUM IN
style_designatorCYLINDRICAL
spring_free_length2.125 INCHES NOMINAL IN
coil_helix_directionLEFT-HAND
spring_free_outside_diameter0.816 INCHES NOMINAL IN
NSN5360-00-291-5417
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN HR51101 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
MATERIAL: STEEL OVERALL
•
SPRING FREE OUTSIDE DIAMETER: 0.816 INCHES NOMINAL IN
•
COIL HELIX DIRECTION: LEFT-HAND
•
SPRING FREE LENGTH: 2.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
INSIDE DIAMETER: 0.656 INCHES MINIMUM AND 0.671 INCHES MAXIMUM IN
•
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
SPRING FREE OUTSIDE DIAMETER0.816 INCHES NOMINAL IN
COIL HELIX DIRECTIONLEFT-HAND
SPRING FREE LENGTH2.125 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
INSIDE DIAMETER0.656 INCHES MINIMUM AND 0.671 INCHES MAXIMUM IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
30117Interchangeable
interchangeable cross-reference
interchangeable
4WA13Interchangeable
interchangeable cross-reference
interchangeable
854Interchangeable
interchangeable cross-reference
interchangeable
130111Interchangeable
interchangeable cross-reference
interchangeable
869Interchangeable
interchangeable cross-reference
interchangeable
A2972REVDInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HR51101?
HR51101 is a SPRING,HELICAL,COMPRESSION.
What parts can replace HR51101?
There are 22 known substitutes for HR51101: 30117, 4WA13, 854 and 19 more. Substitute compatibility should be verified for your specific system.
Is HR51101 still available?
HR51101 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