The Filter,fluid, cataloged under National Stock Number 4330-01-532-7338, 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 Holyhead Marine Services Ltd. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-532-7338 |
| Primary Part Number | ORC-26-320 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Holyhead Marine Services Ltd |
| Status | ACTIVE |
| Style Designator | CYLINDRICAL W/ INTEGRAL OUTER CASING |
| 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 |
|---|---|
| ORC-26-320 | Holyhead Marine Services Ltd (GBR) |
| 2177745/1 | Steyr Motors North America, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2177745/1 | 3/9 Design control — primary reference U.s. Defense Services, Inc. Dba Usds |
| 2177745/1 | 5/9 Secondary reference Steyr Motors Gmbh |
| 2177745/1 | 5/9 Secondary reference Steyr Motors Gmbh |
| 10084937 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 4330-01-532-7338 is a Filter,fluid, manufactured by Holyhead Marine Services Ltd, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-532-7338 has 2 manufacturer part numbers on file: ORC-26-320 (Holyhead Marine Services Ltd), 2177745/1 (Steyr Motors North America, Inc.).
Key specifications for ORC-26-320: Style Designator: CYLINDRICAL W/ INTEGRAL OUTER CASING; Part Name Assigned by Controlling Agency: FUEL FILTER CARTRIDGE LONG (WECSHELFILTER KRAFTSTOFF LANG); End Item Identification: FUEL FILTER ON ENGINE,DIESEL MDL MO256K43 (TA 0309, 03098184/1). 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.