The Cover,drive Coupling,purifier, cataloged under National Stock Number 4330-01-151-3791, 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. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4330-01-151-3791 |
| Primary Part Number | 37251 |
| Item Name | Cover,drive Coupling,purifier |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Alfa Laval Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| PL E-870948 ITEM NO. 29 | Alfa Laval Inc (USA) |
| 99137251 | Alfa Laval Inc (USA) |
| 37251 PRIMARY | Alfa Laval Inc (USA) |
| Reference | Meaning |
|---|---|
| 4330PL0663072 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4330-01-151-3791 is a Cover,drive Coupling,purifier, manufactured by Alfa Laval Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-151-3791 has 3 manufacturer part numbers on file: PL E-870948 ITEM NO. 29 (Alfa Laval Inc), 99137251 (Alfa Laval Inc), 37251 (Alfa Laval Inc).
1 possible match (shared part number, not a government interchangeability claim): 5950-01-214-3429. Verify interchangeability with system specifications before substitution.
Key specifications for 37251: End Item Identification: ALFA-LAVAL INC PURIFIER MODEL NO. USPX 413SGD-15CN-60. 0 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.