The Sleeve,purifier, cataloged under National Stock Number 4330-01-149-7913, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4330-01-149-7913 |
| Primary Part Number | 99137431 |
| Item Name | Sleeve,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 |
|---|---|
| 99137431 PRIMARY | Alfa Laval Inc (USA) |
| Reference | Meaning |
|---|---|
| 37431 | 5/9 Secondary reference Alfa Laval Inc |
| 4330PL0651846 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 70328Y | 5/9 Secondary reference Alfa Laval Inc |
NSN 4330-01-149-7913 is a Sleeve,purifier, manufactured by Alfa Laval Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-149-7913 has 1 manufacturer part number on file: 99137431 (Alfa Laval Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5355-01-223-3191, 4820-01-314-7946. Verify interchangeability with system specifications before substitution.
Key specifications for 99137431: End Item Identification: ALFA-LAVAL CO OIL PURIFIER,MODEL NO. B214A. 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.