The Cylinder,air,diving Equipment, cataloged under National Stock Number 4220-01-142-7930, is classified within Federal Supply Class 4220 (Marine Lifesaving and Diving Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-142-7930 |
| Item Name | Cylinder,air,diving Equipment |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Status | ACTIVE |
| Supply Items and Quantities | P/N 0540-00,K-VALVE,1 |
| Quantity of Persons for Which Designed | 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| AL0050 | 3/9 Design control — primary reference Harsco Corp Sherwood Div |
| 0751 | 5/9 Secondary reference U.S. Government activity |
NSN 4220-01-142-7930 is a Cylinder,air,diving Equipment, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
Key specifications for 4220-01-142-7930: Supply Items and Quantities: P/N 0540-00,K-VALVE,1; Quantity of Persons for Which Designed: 1; Special Features: 50 CUBIC FEET AT 3000 PSI; 6.9 IN. DIA; 19 IN. HT; WT 22 LBS LBS. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.