The Strainer,sediment, cataloged under National Stock Number 4730-01-189-8850, 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 24 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-189-8850 |
| Primary Part Number | YB3210P71GX1 |
| 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 SINGLE FILTERING MEDIA RESPONSE |
| Distance From Bottom of Body to Center of Inlet | 22.000 INCHES NOMINAL IN |
| First Intake Flange Thickness | 1.062 INCHES NOMINAL IN |
| Temp Rating | 85.0 FAHRENHEIT NOMINAL DEGF |
| Body Width | 18.375 INCHES NOMINAL IN |
| First Intake Flange Outside Diameter | 9.062 INCHES NOMINAL IN |
| Body Height | 38.000 INCHES NOMINAL IN |
| First Intake Connection Type | RECESSED FLANGE SIDE NEAR TOP |
| Perforation Quantity | 32.0 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 STD SINGLE MATERIAL RESPONSE FILTERING MEDIUM |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| First Intake Flange Shape Style | ROUND W/UNTHREADED BOLT HOLES |
| First Intake Flange Recess Depth | 0.750 INCHES NOMINAL IN |
| Body Length | 25.375 INCHES NOMINAL IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | ANY ACCEPTABLE |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY FILTERING MEDIUM |
| Perforation Diameter | 0.125 INCHES NOMINAL IN |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION LINE |
| First Intake Flange Face Style | RECESSED |
| First Intake Flange Recess Diameter | 5.320 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 |
|---|---|
| YB3210P71GX1 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| MDL200A 5IN | C/1 Advisory reference — outside the item-of-supply concept Leslie Controls, Inc. Dba Leslie Controls Inc |
| MIL-S-17849 TY | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 200A 5IN | C/1 Advisory reference — outside the item-of-supply concept Leslie Controls, Inc. Dba Leslie Controls Inc |
| MDL200A 5IN 1-8 | C/1 Advisory reference — outside the item-of-supply concept Leslie Controls, Inc. Dba Leslie Controls Inc |
| 3210P71GX1 | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
| 200A 5IN DPLX FLG .125PERF | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
| N-702 | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
| 3210P71G | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4730-01-189-8850 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 4730-01-189-8850 has 1 manufacturer part number on file: YB3210P71GX1 (Leslie Controls, Inc. Dba Leslie Controls Inc).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-645-6984. Verify interchangeability with system specifications before substitution.
Key specifications for YB3210P71GX1: Filtering Media Design: PERFORATED SINGLE FILTERING MEDIA RESPONSE; Distance From Bottom of Body to Center of Inlet: 22.000 INCHES NOMINAL IN; First Intake Flange Thickness: 1.062 INCHES NOMINAL IN; Temp Rating: 85.0 FAHRENHEIT NOMINAL DEGF. 24 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.