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REFERENCE IMAGE
EMANON PART NO.
NAS517-5-18
NAS517-5-18 is a screw in 0.312 INCHES diameter and 1.641 inches minimum and 1.686 inches maximum length.
Screw
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.312 in
LENGTH1.641–1.686 in
THREAD LENGTH0.418–0.576 in
THREAD
THREAD0.312-24 UNF-3A right-hand
HEAD & DRIVE
HEADFlat countersunk
MECHANICAL
TENSILE STRENGTH160,000 psi
HARDNESS36–40 HRC
STANDARDS & TRACEABILITY
NSN5305-00-551-6290
FLIS · NSN 5305-00-551-6290 · retrieved 2026-08-09
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
NAS517-5-18 Machine Screw
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.