The Paring Disc,lower, cataloged under National Stock Number 4330-01-290-4981, 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 Alfa Laval Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4330-01-290-4981 |
| Primary Part Number | 52313081 |
| Item Name | Paring Disc,lower |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Alfa Laval Inc |
| Status | ACTIVE |
| General Characteristics Item Description | STNLS STEEL |
| 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 |
|---|---|
| 52313081 PRIMARY | Alfa Laval Inc (USA) |
| Reference | Meaning |
|---|---|
| 523130 | 5/9 Secondary reference Alfa Laval Inc |
| 52310-81 | 5/9 Secondary reference Alfa Laval Inc |
NSN 4330-01-290-4981 is a Paring Disc,lower, manufactured by Alfa Laval Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-290-4981 has 1 manufacturer part number on file: 52313081 (Alfa Laval Inc).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-377-3110, 3040-01-377-3111. Verify interchangeability with system specifications before substitution.
Key specifications for 52313081: General Characteristics Item Description: STNLS STEEL; End Item Identification: ALFA-LAVAL INC,MODEL MOPX213-TGT-20-60 CENTRIFUGAL OIL PURIFIER ASSY. 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.