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EMANON PART NO.
MS51957-80
MS51957-80 is a screw in steel corrosion resisting, zinc nickel and passivate finish, 0.250 INCHES diameter and 0.625 inches nominal length.
Screw
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTHNominal 0.625 in
THREAD LENGTHMinimum 0.594 in; maximum 0.625 in
THREAD
THREAD0.250-20 unified national coarse (UNC)-2A right-hand
HEAD & DRIVE
HEADPan
HEAD HEIGHTMinimum 0.162 in; maximum 0.175 in
HEAD DIAMETER0.4730–0.4920 in
MATERIAL & FINISH
MATERIALSTEEL CORROSION RESISTING
FINISHZINC NICKEL AND PASSIVATE
MECHANICAL
TENSILE STRENGTH80,000 psi
STANDARDS & TRACEABILITY
NSN5305-00-059-3676
GOVERNING STANDARDMS51957-80
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
Size: 1/4-20 X 5/8, MS51957
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.