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EMANON PART NO.
MS51981-9
Fastener
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.112 in
LENGTHMinimum 0.178 in; maximum 0.198 in
THREAD
THREAD0.112-40 unified national coarse (UNC)-3A right-hand
MATERIAL & FINISH
MATERIALOVERALL STEEL COMP 4032 OR STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740
FINISHOVERALL CADMIUM AND CHROMATE
MECHANICAL
HARDNESSRockwell c minimum 45.0 and rockwell c maximum 53.0
FLIS · NSN 007167815 · retrieved 2026-09-16
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
MS51981-9
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.