Field manual / 04
A component name is a category, not a fit guarantee. Use this library to decide which evidence belongs with each reference.
Three categories
A replacement conversation needs more than a matching colour. Identify the attachment, side, revision and approved method before considering any part.
Open component boardDiscuss the saddle and its attachment as one interface. Ask whether it is a single bridge piece or a paired pad assembly; the visual study does not settle that distinction.
Retain left and right identities even when a pair is packed together. Sleeve dimensions, temple geometry and retention method all need a documented match.
A visible cover may be decorative, integral or separately serviceable. Do not treat it as permission to dismantle an eyewear assembly. Relay has no cover mapping in this concept system.