The Filter,air, cataloged under National Stock Number 4330-00-438-0053, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Arrow Pneumatics Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Filter,air |
| FSC / FSG | 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters (FSG 43) |
| Manufacturers | Arrow Pneumatics Inc (CAGE 31408); Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (CAGE 55974) |
| Parameter | Value |
|---|---|
| NSN | 4330-00-438-0053 |
| Primary Part Number | ASP-2 |
| Item Name | Filter,air |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Arrow Pneumatics Inc |
| 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 |
|---|---|
| ASP-2 PRIMARY | Arrow Pneumatics Inc (USA) |
| 0B200301 PRIMARY | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA) |
| Reference | Meaning |
|---|---|
| 2873558 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| ASPL | C/1 Advisory reference — outside the item-of-supply concept Arrow Pneumatics Inc |
| ASP2 | C/1 Advisory reference — outside the item-of-supply concept Thor Power Tool Co Sub of Stewart-Warner Co |
| 410144 | C/1 Advisory reference — outside the item-of-supply concept Sentech Corp |
NSN 4330-00-438-0053 is a Filter,air, manufactured by Arrow Pneumatics Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-00-438-0053 has 2 manufacturer part numbers on file: ASP-2 (Arrow Pneumatics Inc), 0B200301 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div).
3 possible matches (shared part number, not a government interchangeability claim): 5306-00-588-3171, 2990-01-069-2054, 6930-01-634-0305. 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.
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.