The Pad,friction, cataloged under National Stock Number 4330-01-278-9901, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-278-9901 |
| Primary Part Number | 99137231 |
| Item Name | Pad,friction |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Alfa Laval Inc |
| Status | ACTIVE |
| General Characteristics Item Description | APPROX 4.000 IN. LG,W 3 SCREWS,0.500 IN. LG IN |
| 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 |
|---|---|
| 99137231 PRIMARY | Alfa Laval Inc (USA) |
| Reference | Meaning |
|---|---|
| 99137368 AND 99137231 | 5/9 Secondary reference Alfa Laval Inc |
| 71627 | 5/9 Secondary reference Alfa Laval Inc |
| 42084381 AND 99137231 | 5/9 Secondary reference Alfa Laval Inc |
NSN 4330-01-278-9901 is a Pad,friction, manufactured by Alfa Laval Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-278-9901 has 1 manufacturer part number on file: 99137231 (Alfa Laval Inc).
Key specifications for 99137231: General Characteristics Item Description: APPROX 4.000 IN. LG,W 3 SCREWS,0.500 IN. LG IN. 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.