The Tube,exhaust, cataloged under National Stock Number 4220-01-218-9447, 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 Morse Diving, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Tube,exhaust |
| FSC / FSG | 4220 — Marine Lifesaving and Diving Equipment (FSG 42) |
| Manufacturers | Morse Diving, Inc. (CAGE 41620) |
| Parameter | Value |
|---|---|
| NSN | 4220-01-218-9447 |
| Primary Part Number | 8800-20-25 |
| Item Name | Tube,exhaust |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Morse Diving, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 8800-20-25 PRIMARY | Morse Diving, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1049-12 | 5/2 Secondary reference U.S. Government activity |
NSN 4220-01-218-9447 is a Tube,exhaust, manufactured by Morse Diving, Inc., classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-218-9447 has 1 manufacturer part number on file: 8800-20-25 (Morse Diving, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 8030-01-329-4826, 6930-01-531-6989. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4220-01-218-9447 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.