The Filter Element,fluid, cataloged under National Stock Number 4330-01-254-4987, 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 Leybold Usa Inc.. Government technical data includes 9 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-254-4987 |
| Primary Part Number | 18970 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Leybold Usa Inc. |
| Status | ACTIVE |
| Filtering Media Design | SPUN FIRST FILTERING MEDIA RESPONSE |
| Body Diameter | 3.000 INCHES NOMINAL IN |
| Body Overall Length | 6.000 INCHES NOMINAL IN |
| Flow Direction | OUTSIDE IN |
| Design Type | NONREUSABLE |
| Style Designator | SUMP TYPE |
| Features Provided | BY-PASS VALVE |
| Filtering System for Which Designed | FULL FLOW |
| Media for Which Designed | GAS |
| 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 |
|---|---|
| 18970 PRIMARY | Leybold Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| 18970 | 3/9 Design control — primary reference Leybold Vacuum Products Inc |
NSN 4330-01-254-4987 is a Filter Element,fluid, manufactured by Leybold Usa Inc., classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-254-4987 has 1 manufacturer part number on file: 18970 (Leybold Usa Inc.).
Key specifications for 18970: Filtering Media Design: SPUN FIRST FILTERING MEDIA RESPONSE; Body Diameter: 3.000 INCHES NOMINAL IN; Body Overall Length: 6.000 INCHES NOMINAL IN; Flow Direction: OUTSIDE IN. 9 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.