The Strainer,sediment, cataloged under National Stock Number 4730-01-421-1647, 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 Core Industries Inc. Dba Mueller Steam Specialty. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-421-1647 |
| Primary Part Number | 352M 1/4FPT 20MESH MONEL |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Core Industries Inc. Dba Mueller Steam Specialty |
| Status | ACTIVE |
| Filtering Media Design | MESH SINGLE FILTERING MEDIA RESPONSE |
| Distance From Bottom of Body to Center of Inlet | 2.250 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 0.250 INCHES IN |
| First Intake Thread Series Designator | NPT |
| Temp Rating | 150.0 FAHRENHEIT NOMINAL DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| Mesh Size | 20.0 |
| First Intake Connection Type | THREADED INTERNAL PIPE LINE |
| Style Designator | Y STRAINER W/THREADED COVER |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Body Length | 2.750 INCHES NOMINAL IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | WATER |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY FILTERING MEDIUM |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION LINE |
| Wire Diameter | 0.014 INCHES NOMINAL IN |
| 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 |
|---|---|
| 352M 1/4FPT 20MESH MONEL PRIMARY | Core Industries Inc. Dba Mueller Steam Specialty (USA) |
| 2110799000 | Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc (USA) |
| 3810660046 ITEM 2 | Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 3810660046 | D/9 Drawing number reference only Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc |
| 352M | C/1 Advisory reference — outside the item-of-supply concept Core Industries Inc. Dba Mueller Steam Specialty |
NSN 4730-01-421-1647 is a Strainer,sediment, manufactured by Core Industries Inc. Dba Mueller Steam Specialty, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-421-1647 has 3 manufacturer part numbers on file: 352M 1/4FPT 20MESH MONEL (Core Industries Inc. Dba Mueller Steam Specialty), 2110799000 (Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc), 3810660046 ITEM 2 (Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-421-9725. Verify interchangeability with system specifications before substitution.
Key specifications for 352M 1/4FPT 20MESH MONEL: Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE; Distance From Bottom of Body to Center of Inlet: 2.250 INCHES NOMINAL IN; First Intake Nominal Thread Size: 0.250 INCHES IN; First Intake Thread Series Designator: NPT. 17 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.