The Boots,divers', cataloged under National Stock Number 4220-01-228-9293, 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 4 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-228-9293 |
| Item Name | Boots,divers' |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Status | ACTIVE |
| Size | 7 |
| Color | ORANGE OVERALL |
| Material | PLASTIC AND RUBBER SYNTHETIC OVERALL |
| Fiber Material | NYLON OVERALL |
| 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 |
|---|---|
| GRB4-23SZ7 | 5/9 Secondary reference Mar-Vel International, Inc. Dba Mar-Vel Underwater Equip |
| B80-3 (SZ7) 3/16 | 5/9 Secondary reference Mar-Vel International, Inc. Dba Mar-Vel Underwater Equip |
| FLEX742SM | 3/9 Design control — primary reference Mar-Vel International, Inc. Dba Mar-Vel Underwater Equip |
| MTRX 742-7 | 5/9 Secondary reference Mar-Vel International, Inc. Dba Mar-Vel Underwater Equip |
NSN 4220-01-228-9293 is a Boots,divers', classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
Key specifications for 4220-01-228-9293: Size: 7; Color: ORANGE OVERALL; Special Features: DOUBLE LINED (NYLON INSIDE AND OUTSIDE;HARD SOLE;MATERIAL THICKNESS 0.188 IN. IN; Material: PLASTIC AND RUBBER SYNTHETIC OVERALL. 4 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.