Part · workshop

Pump plunger

Machine metal plunger and fit selected packing interface; unqualified discovery hypothesis.

Discovered · unresearchedClosure: OpenInventory incomplete

Capability requirements and tolerances

Consumer-specific numerical targets, quantities and acceptance limits remain open or incompletely reviewed. No smartphone-grade suitability is claimed. Distinct capability tiers require their own making route and qualification.

Making steps · draft selected for navigation; not a validated fabrication specification.

Known Parts and Tools

The selected route supplies this page's inventory and the map's dependency links from one record. Further requirements may be missing; review flags do not prove physical suitability.

Requirement	Role	Use	Relationship status
Alloy stock	Part	incorporated component/consumed stock; quantities and losses unknown	Cycle-checked; compatibility unknown
Precision machines	Tool	reusable fabrication/verification equipment	Cycle-checked; compatibility unknown
Dimensional instruments	Tool	reusable fabrication/verification equipment	Cycle-checked; compatibility unknown

Making outline

Machine metal plunger and fit selected packing interface
Characterize against caller requirements; quantitative process settings and tests remain unknown.

What remains unresolved

Caller demands, compatible first production route, quantities, losses and acceptance not established.

Canonical reuse assessment

{
  "existing_candidates_checked": [
    "shaft",
    "pumps"
  ],
  "reason": "Reciprocating sealed displacement element distinct from rotating shaft.",
  "availability": "No built or accepted inventory asserted."
}

Proposed capability specification

{
  "function": "Pump plunger",
  "quantity": "NOT_RESEARCHED",
  "precision_purity_performance": "NOT_RESEARCHED",
  "acceptance": "NOT_RESEARCHED"
}

Earlier research provenance

2026-10-08 materials targeted frontier pass

Return to the discovered map

Used by

Items that directly require this item in their selected inventory.

Paths from Smartphone

These routes together include every item that can lead from Smartphone to this item. Repeated path combinations are collapsed; recipes are omitted.

Shortest route: Smartphone → Adhesive dispensers → Pump plunger

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