The Wear Ring,separator, cataloged under National Stock Number 4330-01-444-2374, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4330-01-444-2374 |
| Primary Part Number | 991392-24 |
| Item Name | Wear Ring,separator |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Alfa Laval Inc |
| Status | ACTIVE |
| General Characteristics Item Description | WEAR RING FOR ALFA LAVAL MODEL WHPX-513 HEAVY DUTY FUEL OIL SEPARATOR |
| 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 |
|---|---|
| 991392-24 PRIMARY | Alfa Laval Inc (USA) |
| Reference | Meaning |
|---|---|
| 70710 | 5/9 Secondary reference Alfa Laval Inc |
NSN 4330-01-444-2374 is a Wear Ring,separator, manufactured by Alfa Laval Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-444-2374 has 1 manufacturer part number on file: 991392-24 (Alfa Laval Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-559-3901. Verify interchangeability with system specifications before substitution.
Key specifications for 991392-24: General Characteristics Item Description: WEAR RING FOR ALFA LAVAL MODEL WHPX-513 HEAVY DUTY FUEL OIL SEPARATOR; Part Name Assigned by Controlling Agency: WEAR RING; End Item Identification: NAVY WEAPONS CODE TH, STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 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.