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REFERENCE IMAGE
EMANON PART NO.
NAS517-4-11
NAS517-4-11 is a screw in 0.250 INCHES diameter and 1.141 inches minimum and 1.186 inches maximum length.
Screw
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH1.141–1.186 in
THREAD LENGTH0.468 in MINIMUM
GRIP0.688
THREAD
THREAD1/4-28
HEAD & DRIVE
HEADFlat countersunk
MECHANICAL
TENSILE STRENGTH160,000 psi
HARDNESS36–40 HRC
STANDARDS & TRACEABILITY
NSN5305-00-206-3653
GOVERNING STANDARD80205-NAS517
FLIS · NSN 5305-00-206-3653 · retrieved 2026-08-09
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
length: 1.156", grip: 0.688", thread: 1/4-28, shear, close tolerance, alloy steel
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.