The Strainer,sediment, cataloged under National Stock Number 4730-01-047-0621, 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 Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-047-0621 |
| Primary Part Number | YB3210R61J |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Filtering Media Design | PERFORATED ALL FILTERING MEDIA RESPONSES |
| Distance From Bottom of Body to Center of Inlet | 19.750 INCHES NOMINAL IN |
| First Intake Flange Thickness | 1.188 INCHES NOMINAL IN |
| First Intake Flange Outside Diameter | 6.625 INCHES NOMINAL IN |
| Body Height | 37.000 INCHES NOMINAL IN |
| First Intake Connection Type | RECESSED FLANGE LINE |
| Perforation Quantity | 8.0 PER SQUARE INCH |
| Style Designator | TWIN STRAINER W/BOLTED COVER |
| Material Document and Classification | MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OR MIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE FILTERING MEDIUM |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| First Intake Flange Shape Style | ROUND W/THREADED BOLT HOLES |
| First Intake Flange Recess Depth | 0.625 INCHES NOMINAL IN |
| Body Length | 32.250 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 |
| Perforation Diameter | 0.250 INCHES NOMINAL IN |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION END |
| First Intake Flange Face Style | RECESSED |
| First Intake Flange Recess Diameter | 6.000 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 |
|---|---|
| YB3210R61J PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| N634 | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
| 200A-6IN | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4730-01-047-0621 is a Strainer,sediment, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-047-0621 has 1 manufacturer part number on file: YB3210R61J (Leslie Controls, Inc. Dba Leslie Controls Inc).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-123-5017, 4730-01-387-7252, 4730-01-469-6926. Verify interchangeability with system specifications before substitution.
Key specifications for YB3210R61J: Filtering Media Design: PERFORATED ALL FILTERING MEDIA RESPONSES; Distance From Bottom of Body to Center of Inlet: 19.750 INCHES NOMINAL IN; First Intake Flange Thickness: 1.188 INCHES NOMINAL IN; First Intake Flange Outside Diameter: 6.625 INCHES NOMINAL IN. 22 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.