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Technical Data Sheet
391-3581-161 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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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 COMP 6150 OVERALL, end_style: SPRING END,GROUND BOTH ENDS, inside_diameter: 0.396 INCHES NOMINAL IN, style_designator: CYLINDRICAL, spring_free_length: 2.312 INCHES NOMINAL IN, spring_solid_length: 1.859 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-051-2479, 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
391-3581-161
NSN: 5360-00-051-2479
FSC: 5360
CAGE: 5B373 — FLORIG EQUIPMENT CO INC (USA)
SPECIFICATIONS
materialSTEEL COMP 6150 OVERALL
end_styleSPRING END,GROUND BOTH ENDS
inside_diameter0.396 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length2.312 INCHES NOMINAL IN
spring_solid_length1.859 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_free_outside_diameter0.750 INCHES NOMINAL IN
spring_solid_outside_diameter0.750 INCHES NOMINAL IN
material_document_and_classificationFED STD 66/AISI/SAE FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN5360-00-051-2479
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 391-3581-161 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
COIL HELIX DIRECTION: RIGHT-HAND
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66/AISI/SAE FED STD SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
SPRING FREE LENGTH: 2.312 INCHES NOMINAL IN
INSIDE DIAMETER: 0.396 INCHES NOMINAL IN
STYLE DESIGNATOR: CYLINDRICAL
SPRING SOLID LENGTH: 1.859 INCHES NOMINAL IN
MATERIAL: STEEL COMP 6150 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
COIL HELIX DIRECTIONRIGHT-HAND
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66/AISI/SAE FED STD SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
SPRING FREE LENGTH2.312 INCHES NOMINAL IN
INSIDE DIAMETER0.396 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
SPRING SOLID LENGTH1.859 INCHES NOMINAL IN
MATERIALSTEEL COMP 6150 OVERALL
END STYLESPRING END,GROUND BOTH ENDS
SPRING SOLID OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
16213Interchangeable
interchangeable cross-reference
interchangeable
27-2Interchangeable
interchangeable cross-reference
interchangeable
14566-1Interchangeable
interchangeable cross-reference
interchangeable
A-A-2322Interchangeable
interchangeable cross-reference
interchangeable
GGG-F-325 TY19STCInterchangeable
interchangeable cross-reference
interchangeable
12450Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 391-3581-161?
391-3581-161 is a SPRING,HELICAL,COMPRESSION.
What parts can replace 391-3581-161?
There are 16 known substitutes for 391-3581-161: 16213, 27-2, 14566-1 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 391-3581-161?
391-3581-161 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-051-2479. This indicates validated use in U.S. government and defense supply chains.
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