The Filter Body,fluid, cataloged under National Stock Number 4330-01-658-3846, 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 Hydraulics International, Inc. Dba Hydraulics International Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4330-01-658-3846 |
| Primary Part Number | 37025-1 |
| Item Name | Filter Body,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Hydraulics International, Inc. Dba Hydraulics International Inc |
| Status | ACTIVE |
| Body Diameter | 8.000 INCHES NOMINAL IN |
| First Intake Nominal Outside Diameter | 1.544 INCHES IN |
| Body Overall Length | 16.250 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 1.625 INCHES IN |
| First Intake Thread Series Designator | UN |
| First Intake Thread Class | 2B |
| Nominal Thread Size | 1.625 INCHES IN |
| Thread Series Designator | UN |
| First Intake Thread Quantity Per Inch | 12 |
| Second Intake Connection Relationship to First Intake Connection | IDENTICAL |
| 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 |
|---|---|
| 37025-1 PRIMARY | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| Reference | Meaning |
|---|---|
| 37025 | D/9 Drawing number reference only Hydraulics International, Inc. Dba Hydraulics International Inc |
NSN 4330-01-658-3846 is a Filter Body,fluid, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-658-3846 has 1 manufacturer part number on file: 37025-1 (Hydraulics International, Inc. Dba Hydraulics International Inc).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-721-5702. Verify interchangeability with system specifications before substitution.
Key specifications for 37025-1: Body Diameter: 8.000 INCHES NOMINAL IN; First Intake Nominal Outside Diameter: 1.544 INCHES IN; Body Overall Length: 16.250 INCHES NOMINAL IN; First Intake Nominal Thread Size: 1.625 INCHES IN. 10 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.