The Filter,air,diving Apparatus, cataloged under National Stock Number 4220-01-299-4099, 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 Industrial Flow North America Llc Div Lewa America. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-299-4099 |
| Primary Part Number | 090013-0027 |
| Item Name | Filter,air,diving Apparatus |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Industrial Flow North America Llc Div Lewa America |
| Status | ACTIVE |
| General Characteristics Item Description | OXIDE CERAMIC; 2.750 IN. OD; AIR MEDIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 120000-0000 ITEM 39 | Lewa Herbert Ott Gmbh & Co. (DEU) |
| 090013-0027 | Lewa Herbert Ott Gmbh & Co. (DEU) |
| 090013-0027 PRIMARY | Industrial Flow North America Llc Div Lewa America (USA) |
| 120000-0000 ITEM 39 | Industrial Flow North America Llc Div Lewa America (USA) |
| Reference | Meaning |
|---|---|
| 090013027 | 5/9 Secondary reference Industrial Flow North America Llc Div Lewa America |
| 120000-0000 | D/9 Drawing number reference only Industrial Flow North America Llc Div Lewa America |
NSN 4220-01-299-4099 is a Filter,air,diving Apparatus, manufactured by Industrial Flow North America Llc Div Lewa America, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-299-4099 has 4 manufacturer part numbers on file: 120000-0000 ITEM 39 (Lewa Herbert Ott Gmbh & Co.), 090013-0027 (Lewa Herbert Ott Gmbh & Co.), 090013-0027 (Industrial Flow North America Llc Div Lewa America), 120000-0000 ITEM 39 (Industrial Flow North America Llc Div Lewa America).
2 possible matches (shared part number, not a government interchangeability claim): 4320-01-419-5372, 4320-01-419-5380. Verify interchangeability with system specifications before substitution.
Key specifications for 090013-0027: General Characteristics Item Description: OXIDE CERAMIC; 2.750 IN. OD; AIR MEDIA IN; End Item Identification: 4610-01-113-8651. 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.