The Filter,fluid, cataloged under National Stock Number 4330-01-197-4998, 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 Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4330-01-197-4998 |
| Primary Part Number | 4742C-G504 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Howell Laboratories Inc Dba Howell Laboratories Inc |
| Status | ACTIVE |
| Design Type | REUSABLE |
| Temp Rating | 275.0 FAHRENHEIT NOMINAL DEGF |
| First Intake Connection Type | INTERNAL SOLDER HEAD SIDE |
| Style Designator | HIGH PRESSURE BOLTED SHELL |
| Features Provided | DRAIN COCK |
| Filtering Element Quantity | 1 |
| Body Length | 6.960 INCHES NOMINAL IN |
| First Intake Nominal Inside Diameter | 0.750 INCHES IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Material | RUBBER BUNA N SEAL |
| Mounting Type | INLET CONNECTION OR 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 |
|---|---|
| 4742C-G504 PRIMARY | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 4742C | D/9 Drawing number reference only Howell Laboratories Inc Dba Howell Laboratories Inc |
NSN 4330-01-197-4998 is a Filter,fluid, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-197-4998 has 1 manufacturer part number on file: 4742C-G504 (Howell Laboratories Inc Dba Howell Laboratories Inc).
Key specifications for 4742C-G504: Design Type: REUSABLE; Temp Rating: 275.0 FAHRENHEIT NOMINAL DEGF; First Intake Connection Type: INTERNAL SOLDER HEAD SIDE; Style Designator: HIGH PRESSURE BOLTED SHELL. 11 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.