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REFERENCE IMAGE
EMANON PART NO.
MS51957-55B
MS51957-55B is a screw in 0.164 INCHES diameter and 2.406 INCHES MINIMUM AND 2.500 INCHES MAXIMUM length.
Screw
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.164 in
LENGTH2.406–2.500 in
THREAD LENGTH1.750 in MINIMUM
THREAD
THREAD0.164-32 UNC-2A right-hand
HEAD & DRIVE
HEADA23 pan
HEAD HEIGHT0.105–0.115 in
MECHANICAL
TENSILE STRENGTH80,000 psi
STANDARDS & TRACEABILITY
NSN5305-01-155-4346
GOVERNING STANDARDMS51957-55B
FLIS · NSN 5305-01-155-4346 · retrieved 2026-08-09
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
MS51957-55B
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.