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PartsTable / COMPONENT / SMB187591
SMB187591 ✓ 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, coil_quantity: 2-3/4, inside_diameter: 0.953 INCHES NOMINAL IN, style_designator: CYLINDRICAL, surface_treatment: PHOSPHATE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-663-3323, 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
SMB187591
NSN: 5360-00-663-3323
FSC: 5360
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity2-3/4
inside_diameter0.953 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentPHOSPHATE OVERALL
spring_free_length0.500 INCHES NOMINAL IN
coil_helix_directionLEFT-HAND
material_hardness_rating42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
spring_free_outside_diameter1.171 INCHES NOMINAL IN
NSN5360-00-663-3323
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN SMB187591 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
MATERIAL: STEEL OVERALL
•
COIL QUANTITY: 2-3/4
•
MATERIAL HARDNESS RATING: 42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
•
SPRING FREE OUTSIDE DIAMETER: 1.171 INCHES NOMINAL IN
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
COIL HELIX DIRECTION: LEFT-HAND
•
SPRING FREE LENGTH: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
COIL QUANTITY2-3/4
MATERIAL HARDNESS RATING42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
SPRING FREE OUTSIDE DIAMETER1.171 INCHES NOMINAL IN
SURFACE TREATMENTPHOSPHATE OVERALL
COIL HELIX DIRECTIONLEFT-HAND
SPRING FREE LENGTH0.500 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
INSIDE DIAMETER0.953 INCHES NOMINAL IN
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
369D005-045AInterchangeable
interchangeable cross-reference
interchangeable
D-188 42Interchangeable
interchangeable cross-reference
interchangeable
NAS907 TYJSZ42Interchangeable
interchangeable cross-reference
interchangeable
15992Interchangeable
interchangeable cross-reference
interchangeable
GG16-2Interchangeable
interchangeable cross-reference
interchangeable
55042Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SMB187591?
SMB187591 is a SPRING,HELICAL,COMPRESSION.
What parts can replace SMB187591?
There are 11 known substitutes for SMB187591: 369D005-045A, D-188 42, NAS907 TYJSZ42 and 8 more. Substitute compatibility should be verified for your specific system.
Is SMB187591 still available?
SMB187591 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026