The Cover,fluid Filter, cataloged under National Stock Number 4330-01-361-3073, 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 Naval Sea Systems Command. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-361-3073 |
| Primary Part Number | 264-6556608ITEM6 |
| Item Name | Cover,fluid Filter |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Bolt Circle Hole Quantity | 28 |
| Cross-Sectional Shape Style | SPHERICAL RECESS |
| Outside Diameter | 25.870 INCHES NOMINAL IN |
| Bolt Circle Diameter | 24.620 INCHES NOMINAL IN |
| Fluid Filter Element Retainer | NOT INCLUDED |
| Peripheral Shape Style | CIRCULAR |
| Material | COPPER ALLOY |
| Attachment Method | BOLTED |
| 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 |
|---|---|
| 264-6556608ITEM6 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 900129-6 | 5/2 Secondary reference U.S. Government activity |
| 601716 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4330-01-361-3073 is a Cover,fluid Filter, manufactured by Naval Sea Systems Command, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-361-3073 has 1 manufacturer part number on file: 264-6556608ITEM6 (Naval Sea Systems Command).
Key specifications for 264-6556608ITEM6: Bolt Circle Hole Quantity: 28; Cross-Sectional Shape Style: SPHERICAL RECESS; Outside Diameter: 25.870 INCHES NOMINAL IN; Bolt Circle Diameter: 24.620 INCHES NOMINAL IN. 8 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.