The Bonnet Stem Kit, cataloged under National Stock Number 4220-01-342-7919, is classified within Federal Supply Class 4220 (Marine Lifesaving and Diving Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Evergreen Midwest Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Bonnet Stem Kit |
| FSC / FSG | 4220 — Marine Lifesaving and Diving Equipment (FSG 42) |
| Manufacturers | Evergreen Midwest Co (CAGE 0B3U1); Ray Murray Inc (CAGE 3S251) |
| Parameter | Value |
|---|---|
| NSN | 4220-01-342-7919 |
| Primary Part Number | 3506-20 |
| Item Name | Bonnet Stem Kit |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Evergreen Midwest Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 3506-20 | Evergreen Midwest Co (USA) |
| 3506-20 | Ray Murray Inc (USA) |
| Reference | Meaning |
|---|---|
| 3506-20 | 3/9 Design control — primary reference Harsco Corp Sherwood Div |
| 3506-20 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 4220-01-342-7919 is a Bonnet Stem Kit, manufactured by Evergreen Midwest Co, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-342-7919 has 2 manufacturer part numbers on file: 3506-20 (Evergreen Midwest Co), 3506-20 (Ray Murray Inc).
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.