The Clip Ring,diving System, cataloged under National Stock Number 4220-01-159-0700, 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 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4220-01-159-0700 |
| Item Name | Clip Ring,diving System |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | CLIP RING HALF,THREADED 1; CLIP RING HALF,PLAIN 1; SCREW,CAP,SCH HEX 3 |
| 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 |
|---|---|
| 592-4759120 | D/9 Drawing number reference only U.S. Government activity |
| 592-4759120-0 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4220-01-159-0700 is a Clip Ring,diving System, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
Key specifications for 4220-01-159-0700: General Characteristics Item Description: CLIP RING HALF,THREADED 1; CLIP RING HALF,PLAIN 1; SCREW,CAP,SCH HEX 3; End Item Identification: MK 12 SURFACE SUPPORTED DIVING SYSTEM. 1 specification is 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.