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EMANON PART NO.
MS51957-78
MS51957-78 is a screw in steel corrosion resisting, passivate finish, 0.250 INCHES diameter and 7/16 length.
Screw
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH0.438 in (7/16)
THREAD LENGTHMinimum 0.307 in; maximum 0.438 in
THREAD
THREAD1/4-20
HEAD & DRIVE
HEADPan
HEAD HEIGHTMinimum 0.162 in; maximum 0.175 in
HEAD DIAMETER0.473–0.492 in
MATERIAL & FINISH
MATERIALSTEEL CORROSION RESISTING
FINISHPASSIVATE
MECHANICAL
TENSILE STRENGTH80,000 psi
STANDARDS & TRACEABILITY
NSN5305-00-071-1314
GOVERNING STANDARDMS51957-78
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
Length: 7/16", Thread: 1/4-20, Thread Length: 7/16", MS51957 series screw
Emanon is a stocking distributor — quality-system certifications are held by the certified manufacturers we source from, not by Emanon. Every shipment carries manufacturer certifications and full lot traceability.