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REFERENCE IMAGE
EMANON PART NO.
MS51957-76
MS51957-76 is a screw in 0.250 INCHES diameter and 5/16 length.
Screw
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH0.313 in (5/16)
THREAD LENGTH0.212–0.312 in
THREAD
THREAD1/4-20
HEAD & DRIVE
HEADPan
HEAD HEIGHT0.162–0.175 in
MECHANICAL
TENSILE STRENGTH80,000 psi
STANDARDS & TRACEABILITY
NSN5305-00-071-1312
GOVERNING STANDARDMS51957-76
FLIS · NSN 5305-00-071-1312 · retrieved 2026-08-09
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
Fastener Length: 5/16", Thread: 1/4-20, Thread Length: 5/16", pan head
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.