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REFERENCE IMAGE
EMANON PART NO.
MS51957-78
MS51957-78 is a screw in 0.250 INCHES diameter and 7/16 length.
Screw
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH0.438 in (7/16)
THREAD LENGTH0.307–0.438 in
THREAD
THREAD1/4-20
HEAD & DRIVE
HEADPan
HEAD HEIGHT0.162–0.175 in
MECHANICAL
TENSILE STRENGTH80,000 psi
STANDARDS & TRACEABILITY
NSN5305-00-071-1314
GOVERNING STANDARDMS51957-78
FLIS · NSN 5305-00-071-1314 · retrieved 2026-08-07
DOCUMENTS
✓Certificate of Conformance — included with every order
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.