The Cover,fluid Filter, cataloged under National Stock Number 4330-01-202-4569, 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 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4330-01-202-4569 |
| Primary Part Number | 2050972 PC 7 |
| Item Name | Cover,fluid Filter |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 2050972 PC 7 | Naval Sea Systems Command (USA) |
| 845-2050972 PC 7 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2640-633X2 | D/9 Drawing number reference only U.S. Government activity |
| 845-2050972 | D/9 Drawing number reference only Naval Sea Systems Command |
| 2640-633X2 PIECE 7 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4330-01-202-4569 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 4330-01-202-4569 has 2 manufacturer part numbers on file: 2050972 PC 7 (Naval Sea Systems Command), 845-2050972 PC 7 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 4330-01-233-9088, 4730-01-243-2057, 4730-01-493-1720. Verify interchangeability with system specifications before substitution.
Key specifications for 2050972 PC 7: Special Features: USED ON GENERAL CYNAMIC CORP 4.000 IN. DUPLEX STRAINER,PART NO. 2640-633X2 IN; Material: NICKEL ALLOY. 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.