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EMANON PART NO.
MS51957-81
MS51957-81 is a screw in steel, passivate finish, 0.250 INCHES diameter and 0.750 inches length.
Screw
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH0.750 in
THREAD LENGTHMinimum 0.650 in; maximum 0.750 in
THREAD
THREAD0.250-20 UNC-2A right-hand
HEAD & DRIVE
HEADPan
HEAD HEIGHTMinimum 0.162 in; maximum 0.175 in
HEAD DIAMETER0.473–0.492 in
MATERIAL & FINISH
MATERIALSteel
FINISHPassivate
MECHANICAL
TENSILE STRENGTH80,000 psi
STANDARDS & TRACEABILITY
NSN5305-00-082-6721
GOVERNING STANDARDMS51957-81
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 3/4, 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.