The Strainer,sediment, cataloged under National Stock Number 4730-01-657-4028, 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 Pentair Filtration Solutions, Llc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-657-4028 |
| Primary Part Number | CY255-213 |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Pentair Filtration Solutions, Llc |
| Status | ACTIVE |
| Filtering Media Design | MESH SINGLE FILTERING MEDIA RESPONSE |
| Mesh Size | 50.0 |
| First Intake Connection Type | THREADED EXTERNAL PIPE SIDE NEAR TOP |
| Style Designator | DIVERTED FLOW BASKET STRAINER W/THREADED COVER |
| Nominal Thread Size | 0.500 INCHES IN |
| Second Intake Connection Type | THREADED INTERNAL PIPE SIDE NEAR TOP |
| Media for Which Designed | WATER |
| Thread Series Designator | NPSM |
| Angle Between Connections | 180.0 DEGREES NOMINAL |
| Second Intake Connection Relationship to First Intake Connection | NOT IDENTICAL |
| 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 |
|---|---|
| CY255-213 PRIMARY | Pentair Filtration Solutions, Llc (USA) |
| MRS-600HE-II NO.21 | Pentair Filtration Solutions, Llc (USA) |
NSN 4730-01-657-4028 is a Strainer,sediment, manufactured by Pentair Filtration Solutions, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-657-4028 has 2 manufacturer part numbers on file: CY255-213 (Pentair Filtration Solutions, Llc), MRS-600HE-II NO.21 (Pentair Filtration Solutions, Llc).
Key specifications for CY255-213: Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE; Mesh Size: 50.0; First Intake Connection Type: THREADED EXTERNAL PIPE SIDE NEAR TOP; Style Designator: DIVERTED FLOW BASKET STRAINER W/THREADED COVER. 10 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.