The Filter Element,fluid, cataloged under National Stock Number 4330-01-075-7257, 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 C&h Distributors, Llc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-075-7257 |
| Primary Part Number | 22-155-6 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | C&h Distributors, Llc |
| Status | ACTIVE |
| Filtering Media Design | PLEATED SECOND FILTERING MEDIA RESPONSE |
| Filtering Media Design | HONEYCOMB FIRST FILTERING MEDIA RESPONSE |
| Body Diameter | 6.750 INCHES NOMINAL IN |
| Body Overall Length | 4.875 INCHES NOMINAL IN |
| Filtration Rating in Microns | 5.0 NOMINAL |
| Flow Direction | OUTSIDE IN |
| Design Type | NONREUSABLE |
| Style Designator | CYLINDRICAL W/CLOSED ENDS |
| Body Inside Diameter | 3.625 INCHES NOMINAL IN |
| Media for Which Designed | AIR |
| Material | CELLULOSE AND PAPER FILTERING MEDIUM |
| 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 |
|---|---|
| 22-155-6 PRIMARY | C&h Distributors, Llc (USA) |
NSN 4330-01-075-7257 is a Filter Element,fluid, manufactured by C&h Distributors, Llc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-075-7257 has 1 manufacturer part number on file: 22-155-6 (C&h Distributors, Llc).
1 possible match (shared part number, not a government interchangeability claim): 7530-01-330-4684. Verify interchangeability with system specifications before substitution.
Key specifications for 22-155-6: Filtering Media Design: PLEATED SECOND FILTERING MEDIA RESPONSE; Filtering Media Design: HONEYCOMB FIRST FILTERING MEDIA RESPONSE; Body Diameter: 6.750 INCHES NOMINAL IN; Body Overall Length: 4.875 INCHES NOMINAL IN. 11 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.