# K040738: Mobile Oxygen Storage Tank (Most)

- Pathway: 510(k) (Traditional)
- Applicant: Pacific Consolidated Industries Llp
- Decided: Apr 30, 2004 after 39 days
- Product code: CAW (Generator, Oxygen, Portable)
- Device class: 2
- Regulation: 21 CFR 868.5440
- Recalls of this device: 1 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 5 generations back to K933081 (1994). 10 ancestors in all.
2 later devices descend from it; 1 cites it directly.
0 of 13 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K020330: Deployable Oxygen Concentration System (Docs), Pacific Consolidated Industries Llp (2002) Summary page 2.
- K003939: Venture Home Fill II, Model Ioh 200, Invacare Corp. (2001) Summary page 2.

## Most influential descendants
- K061414: Expeditionary Delployable Oxygen Concentration System (Edocs), Models 120B and 30;Mobile Oxygen Storage Tank (Most), Mod (2007), 1 descendant of its own
- K100957: Deployable Oxygen Concentration System (Docs), Model 66, Deployable Oxygen Ceoncentration (2011), 0 descendants of its own

## Recalls of this device
- Sep 8, 2007 · Not classified · Z-2201-2008: The recall was initiated after the firm received two customer complaints of ruptured bourdon tubes that had resulted in bellowed out face gauges. With one unit the operator was able to shut off the ox

## Indications for use
The Mobile Oxygen Storage Tank (MOST) is intended to provide 93% oxygen at 50 psig nominal pressure for supplemental oxygen use only. The MOST is intended to be filled from the Expeditionary Deployable Oxygen Concentration System (E-DOCS) only. The MOST is intended for military use only.

Source page: https://510kreport.com/device/K040738
Methodology: https://510kreport.com/methodology