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Technical Data Sheet
PartsTable / COMPONENT / BS-411
BS-411 ✓ 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,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: MACHINE LOOP BOTH ENDS, design_type: OPEN, hook_radius: 0.136 INCHES NOMINAL BOTH ENDS IN, coil_quantity: 23, opening_width: 0.180 INCHES NOMINAL BOTH ENDS 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 5360-00-844-6759, 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
BS-411
NSN: 5360-00-844-6759
FSC: 5360
CAGE: 12444 — DESIGNATRONICS INC PERFECT GEAR AND INSTRUMENT DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleMACHINE LOOP BOTH ENDS
design_typeOPEN
hook_radius0.136 INCHES NOMINAL BOTH ENDS IN
coil_quantity23
opening_width0.180 INCHES NOMINAL BOTH ENDS IN
inside_diameter0.272 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length3.062 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_free_outside_diameter0.442 INCHES NOMINAL IN
NSN5360-00-844-6759
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN BS-411 MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
•
COIL QUANTITY: 23
•
STYLE DESIGNATOR: CYLINDRICAL
•
END STYLE: MACHINE LOOP BOTH ENDS
•
COIL HELIX DIRECTION: RIGHT-HAND
•
HOOK RADIUS: 0.136 INCHES NOMINAL BOTH ENDS IN
•
SPRING FREE OUTSIDE DIAMETER: 0.442 INCHES NOMINAL IN
•
DESIGN TYPE: OPEN
•
OPENING WIDTH: 0.180 INCHES NOMINAL BOTH ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
COIL QUANTITY23
STYLE DESIGNATORCYLINDRICAL
END STYLEMACHINE LOOP BOTH ENDS
COIL HELIX DIRECTIONRIGHT-HAND
HOOK RADIUS0.136 INCHES NOMINAL BOTH ENDS IN
SPRING FREE OUTSIDE DIAMETER0.442 INCHES NOMINAL IN
DESIGN TYPEOPEN
OPENING WIDTH0.180 INCHES NOMINAL BOTH ENDS IN
SPRING FREE LENGTH3.062 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
80508Interchangeable
interchangeable cross-reference
interchangeable
1940995Interchangeable
interchangeable cross-reference
interchangeable
S-19674Interchangeable
interchangeable cross-reference
interchangeable
U1913Interchangeable
interchangeable cross-reference
interchangeable
C106-Z11-C1Interchangeable
interchangeable cross-reference
interchangeable
AD30660-93Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BS-411?
BS-411 is a SPRING,HELICAL,EXTENSION.
What parts can replace BS-411?
There are 17 known substitutes for BS-411: 80508, 1940995, S-19674 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BS-411?
BS-411 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-844-6759. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026