CHENGSHUO | ENGINEERING CONCEPT REVIEW Reference concept: Threaded spring plunger body Page: https://chengshuoprecision.com/components/threaded-components/threaded-spring-plunger-body/ Our component / drawing revision: [ ] Assembly and mating interfaces: [ ] Please review: 1. Body and relevant mating-component drawings 2. Thread standard and final surface condition 3. Retention, closure and assembly responsibility 4. Sample quantity and complete-mechanism test scope Sample acceptance to agree: 1. Mounting thread: Specify standard, pitch, usable length and finished-condition acceptance. 2. Internal envelope: Define usable cavity depth and the pin, spring and closure interfaces. 3. Retaining geometry: Identify the front opening and the chosen retention method. 4. Assembly scope: Separate body inspection from travel, spring-load and cycle tests. Material grade / finish: [ ] Sample / production quantities: [ ] Target timing / delivery destination: [ ] AI-generated engineering concept, not a production photograph or completed delivery. Feasibility, process route and acceptance criteria require review of our actual drawing.