The Filter,fluid, cataloged under National Stock Number 4330-01-377-9191, 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 Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4330-01-377-9191 |
| Primary Part Number | 333-07526-000 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| Filtering Media Design | POROUS SINGLE FILTERING MEDIA RESPONSE |
| First Discharge Connection Type | INTERNAL SOLDER BOTTOM |
| Design Type | REUSABLE |
| Body Outside Diameter | 16.000 INCHES NOMINAL IN |
| First Discharge Nominal Inside Diameter | 2.562 INCHES IN |
| First Intake Connection Type | INTERNAL SOLDER TOP |
| Filtering Element Quantity | 11 |
| Filtering System for Which Designed | FULL FLOW |
| First Intake Nominal Inside Diameter | 2.562 INCHES IN |
| First Discharge Connection Relationship to Intake Connection | NOT IDENTICAL |
| Media for Which Designed | WATER |
| Material | PLASTIC POLYPROPYLENE FILTERING MEDIUM |
| Material | RUBBER SEAL |
| Material | GLASS FIBER AND STEEL COMP 316 BODY |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION LINE |
| 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 |
|---|---|
| 333-07526-000 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| 333-7526 | D/9 Drawing number reference only Aqua-Chem, Inc. |
| 333-07526-000 | 3/9 Design control — primary reference Aqua-Chem, Inc. |
| 943-00060-000 | 5/9 Secondary reference Aqua-Chem, Inc. |
NSN 4330-01-377-9191 is a Filter,fluid, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-377-9191 has 1 manufacturer part number on file: 333-07526-000 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
4 possible matches (shared part number, not a government interchangeability claim): 4330-01-378-0063, 4330-01-378-0100, 4330-01-378-0181. Verify interchangeability with system specifications before substitution.
Key specifications for 333-07526-000: Filtering Media Design: POROUS SINGLE FILTERING MEDIA RESPONSE; First Discharge Connection Type: INTERNAL SOLDER BOTTOM; Design Type: REUSABLE; Body Outside Diameter: 16.000 INCHES NOMINAL IN. 15 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.