The Strainer,sediment, cataloged under National Stock Number 4730-01-365-2980, 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 The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-365-2980 |
| Primary Part Number | 1489, 4INCH, BW, ST, Y-STRAINER |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C |
| Status | ACTIVE |
| Filtering Media Design | PERFORATED SINGLE FILTERING MEDIA RESPONSE |
| First Intake Nominal Outside Diameter | 4.000 INCHES IN |
| Distance From Bottom of Body to Center of Inlet | 9.250 INCHES NOMINAL IN |
| First Intake Connection Type | BUTT WELD LINE |
| Perforation Quantity | 0.324 PER SQUARE INCH |
| Style Designator | Y STRAINER W/BOLTED COVER |
| Body Length | 16.000 INCHES NOMINAL IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | WATER |
| Material | STEEL BODY |
| Material | STEEL CORROSION RESISTING FILTERING MEDIUM |
| Perforation Diameter | 0.030 INCHES NOMINAL IN |
| Mounting Type | INLET CONNECTION LINE |
| 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 |
|---|---|
| 1489, 4INCH, BW, ST, Y-STRAINER PRIMARY | The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C (USA) |
| Reference | Meaning |
|---|---|
| 1489 | D/9 Drawing number reference only Staples & Pfeiffer, Inc. |
| 1489-4IN | 5/9 Secondary reference Staples & Pfeiffer, Inc. |
| 1489-4IN | 5/9 Secondary reference The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C |
NSN 4730-01-365-2980 is a Strainer,sediment, manufactured by The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-365-2980 has 1 manufacturer part number on file: 1489, 4INCH, BW, ST, Y-STRAINER (The Hellan Strainer Co Div Sister Company of Cleveland Gear, Subs. of Industrial Mfg. C).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-419-7125. Verify interchangeability with system specifications before substitution.
Key specifications for 1489, 4INCH, BW, ST, Y-STRAINER: Filtering Media Design: PERFORATED SINGLE FILTERING MEDIA RESPONSE; First Intake Nominal Outside Diameter: 4.000 INCHES IN; Distance From Bottom of Body to Center of Inlet: 9.250 INCHES NOMINAL IN; First Intake Connection Type: BUTT WELD LINE. 13 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.