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Technical Data Sheet
B31777 ✓ 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: COPPER ALLOY 510 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, load_rating: 0.20 POUNDS NOMINAL LBS, inside_diameter: 0.156 INCHES NOMINAL IN, style_designator: TAPERED, spring_free_length: 0.750 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 5360-00-236-8589, 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
B31777
NSN: 5360-00-236-8589
FSC: 5360
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialCOPPER ALLOY 510 OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
load_rating0.20 POUNDS NOMINAL LBS
inside_diameter0.156 INCHES NOMINAL IN
style_designatorTAPERED
spring_free_length0.750 INCHES NOMINAL IN
spring_solid_length0.109 INCHES NOMINAL IN
coil_helix_directionLEFT-HAND
spring_deflection_rate32.000 POUNDS PER INCH NOMINAL LBS
spring_length_under_load0.125 INCHES NOMINAL IN
spring_free_outside_diameter0.313 INCHES NOMINAL IN
material_document_and_classificationMIL-W-16602 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5360-00-236-8589
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN B31777 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
INSIDE DIAMETER: 0.156 INCHES NOMINAL IN
SPRING FREE LENGTH: 0.750 INCHES NOMINAL IN
STYLE DESIGNATOR: TAPERED
SPRING FREE OUTSIDE DIAMETER: 0.313 INCHES NOMINAL IN
LOAD RATING: 0.20 POUNDS NOMINAL LBS
SPRING DEFLECTION RATE: 32.000 POUNDS PER INCH NOMINAL LBS
END STYLE: SPRING END,SQUARED AND GROUND BOTH ENDS
SPRING SOLID LENGTH: 0.109 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER0.156 INCHES NOMINAL IN
SPRING FREE LENGTH0.750 INCHES NOMINAL IN
STYLE DESIGNATORTAPERED
SPRING FREE OUTSIDE DIAMETER0.313 INCHES NOMINAL IN
LOAD RATING0.20 POUNDS NOMINAL LBS
SPRING DEFLECTION RATE32.000 POUNDS PER INCH NOMINAL LBS
END STYLESPRING END,SQUARED AND GROUND BOTH ENDS
SPRING SOLID LENGTH0.109 INCHES NOMINAL IN
COIL HELIX DIRECTIONLEFT-HAND
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-W-16602 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
450-170Interchangeable
interchangeable cross-reference
interchangeable
4A356-7Interchangeable
interchangeable cross-reference
interchangeable
4L7615Interchangeable
interchangeable cross-reference
interchangeable
31777Interchangeable
interchangeable cross-reference
interchangeable
35849-7Interchangeable
interchangeable cross-reference
interchangeable
12496Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B31777?
B31777 is a SPRING,HELICAL,COMPRESSION.
What parts can replace B31777?
There are 11 known substitutes for B31777: 450-170, 4A356-7, 4L7615 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B31777?
B31777 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-236-8589. This indicates validated use in U.S. government and defense supply chains.
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