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EMANON PART NO.
MS9490-13
MS9490-13 is a bolt in iron alloy 660 overall, 0.250 INCHES diameter and 15/16 length.
Bolt · listed as MS9490-13 Bolt
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH0.938 in (15/16)
THREAD LENGTHMinimum 0.750 in; maximum 0.810 in
GRIPMinimum 0.128 in; maximum 0.188 in
THREAD
THREAD1/4-28
HEAD & DRIVE
HEADHexagon
HEAD HEIGHTNominal 0.156 in
WIDTH ACROSS FLATS0.430–0.439 in
MATERIAL & FINISH
MATERIALIron alloy 660 overall
MATERIAL SPECSPECIFICATIONS BEING VERIFIED
MECHANICAL
TENSILE STRENGTH130,000 psi
HARDNESS24–35 HRC
STANDARDS & TRACEABILITY
NSN5306-00-425-2164
GOVERNING STANDARDMS9490-13
FLIS · NSN 5306-00-425-2164 · retrieved 2026-08-09
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
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.