← BACK TO RESULTS
EMANON PART NO.
AN818-4D
AN818-4D is a fitting in aluminum alloy overall, anodize overall finish and 0.438 inches diameter.
Fitting
SPECIFICATIONS
KEY DIMENSIONS
OUTSIDE DIAMETER0.250 in (1/4)
WIDTH ACROSS FLATS0.563 in nom
THREAD
THREAD0.438 inches
MATERIAL & FINISH
MATERIALAluminum alloy overall
FINISHAnodize overall
STANDARDS & TRACEABILITY
NSN4730-00-287-0289
GOVERNING STANDARDAN818-4D
FLIS · NSN 4730-00-287-0289 · retrieved 2026-08-10
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
outer diameter: 1/4", thread: 7/16-20, flared tube, aluminum, AN818 series nut
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.