The Strainer,duplex, cataloged under National Stock Number 4730-00-336-9225, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hatch & Kirk, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Strainer,duplex |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Hatch & Kirk, Inc. (CAGE 55380); Elliott Company Div Jeannette (CAGE 72957) |
| Parameter | Value |
|---|---|
| NSN | 4730-00-336-9225 |
| Primary Part Number | N33020PCB |
| Item Name | Strainer,duplex |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| N33020PCB PRIMARY | Hatch & Kirk, Inc. (USA) |
| 12575C016LH PRIMARY | Elliott Company Div Jeannette (USA) |
| Reference | Meaning |
|---|---|
| 3248879 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| N33020PCB | 5/9 Secondary reference General Motors Corp |
| 81129S41-33020PC8 | 3/2 Design control — primary reference U.S. Government activity |
| N33020PCB | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| 3248879 | 5/9 Secondary reference General Motors Corp |
NSN 4730-00-336-9225 is a Strainer,duplex, manufactured by Hatch & Kirk, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-336-9225 has 2 manufacturer part numbers on file: N33020PCB (Hatch & Kirk, Inc.), 12575C016LH (Elliott Company Div Jeannette).
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.