The Strainer,sediment, cataloged under National Stock Number 4730-01-283-8557, 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 Mechanical Marine Div Hayward Mfg Co Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-283-8557 |
| Primary Part Number | SY-CS-300R-A-2IN-325 MESH |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mechanical Marine Div Hayward Mfg Co Inc |
| Status | ACTIVE |
| Filtering Media Design | MESH SINGLE FILTERING MEDIA RESPONSE |
| Mesh Size | 325.0 |
| Material | STEEL BODY |
| Wire Diameter | 0.001 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 |
|---|---|
| SY-CS-300R-A-2IN-325 MESH PRIMARY | Mechanical Marine Div Hayward Mfg Co Inc (USA) |
| Reference | Meaning |
|---|---|
| SY-CS-300R-A-2I | C/1 Advisory reference — outside the item-of-supply concept Mechanical Marine Div Hayward Mfg Co Inc |
| 2INSY-CS-300R-A | C/1 Advisory reference — outside the item-of-supply concept Mechanical Marine Div Hayward Mfg Co Inc |
| 2IN.SY-CS-300R- | C/1 Advisory reference — outside the item-of-supply concept Mechanical Marine Div Hayward Mfg Co Inc |
NSN 4730-01-283-8557 is a Strainer,sediment, manufactured by Mechanical Marine Div Hayward Mfg Co Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-283-8557 has 1 manufacturer part number on file: SY-CS-300R-A-2IN-325 MESH (Mechanical Marine Div Hayward Mfg Co Inc).
Key specifications for SY-CS-300R-A-2IN-325 MESH: Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE; Mesh Size: 325.0; Material: STEEL BODY; Wire Diameter: 0.001 INCHES NOMINAL IN. 4 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.