The Boulder Bag, cataloged under National Stock Number 4220-01-564-5045, is classified within Federal Supply Class 4220 (Marine Lifesaving and Diving Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-564-5045 |
| Item Name | Boulder Bag |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Status | ACTIVE |
| 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 |
|---|---|
| CBBB-2000 | 3/9 Design control — primary reference Mar-Vel International, Inc. Dba Mar-Vel Underwater Equip |
NSN 4220-01-564-5045 is a Boulder Bag, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
Key specifications for 4220-01-564-5045: Overall Height: 86.000 INCHES NOMINAL IN; Overall Width: 54.000 INCHES NOMINAL IN; Special Features: USE THEM FOR LIFTING BOULDERS IN THE SHALLOW RIVERS. THEY ARE DESIGNED TO GET A MAXIMUM AMOUNT OF LIFT FROM A SINGLE LIFT-POINT IN A MINIMUM DEPTH OF WATER. BAGS ARE VERY DURABLE AND HAVE BEEN USED AS AIR JACKS CAPABLE OF EXERTING SEVERAL THOUSAND POUNDS OF FORCE OVER A LARGE AREA. LIFT: 2000 LBS; SHIPPING WEIGHT: 27 LBS LBS. 0 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.