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EMANON PART NO.
NAS6306U18
NAS6306U18 is a bolt in iron alloy 660 overall, 0.375 INCHES diameter and 1-19/32 length.
Bolt
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.375 in
LENGTH1.594 in (1-19/32)
THREAD LENGTHNominal 0.454 in
GRIPMinimum 1.115 in; maximum 1.135 in
GRIP DIAMETER0.3740–0.3745 in
THREAD
THREAD3/8-24
HEAD & DRIVE
HEADDished hexagon
HEAD HEIGHTMinimum 0.188 in; maximum 0.203 in
WIDTH ACROSS FLATS0.554–0.564 in
MATERIAL & FINISH
MATERIALIron alloy 660 overall
MATERIAL SPECAMS 5731 — ASSN STD · AMS 5737 — ASSN STD
MECHANICAL
TENSILE STRENGTH160,000 psi
STANDARDS & TRACEABILITY
NSN5306-01-421-5855
FLIS · NSN 5306-01-421-5855 · retrieved 2026-08-07
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
Fastener Length: 1-19/32", Thread: 3/8-24, Thread Length: 29/64"
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.