The Strainer,sediment, cataloged under National Stock Number 4730-01-478-5357, 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 Haywardindl. Products, Inc.. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-478-5357 |
| Primary Part Number | ST051015BT31A |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Haywardindl. Products, Inc. |
| Status | ACTIVE |
| Distance From Bottom of Body to Center of Inlet | 6.810 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 1.500 INCHES IN |
| First Intake Thread Series Designator | NPT |
| Temp Rating | 100.0 FAHRENHEIT NOMINAL DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| Body Width | 7.880 INCHES NOMINAL IN |
| Body Height | 15.500 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL PIPE CENTER |
| Style Designator | TWIN STRAINER W/BOLTED COVER |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Body Length | 15.130 INCHES NOMINAL IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | ANY ACCEPTABLE |
| Material | STEEL BODY |
| Mounting Type | INLET CONNECTION CENTER |
| Angle Between Connections | 180.0 DEGREES NOMINAL |
| 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 |
|---|---|
| ST051015BT31A PRIMARY | Haywardindl. Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| ST051015BT31A | C/1 Advisory reference — outside the item-of-supply concept Andersen H W Products Inc |
| SD051072 | D/9 Drawing number reference only Haywardindl. Products, Inc. |
NSN 4730-01-478-5357 is a Strainer,sediment, manufactured by Haywardindl. Products, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-478-5357 has 1 manufacturer part number on file: ST051015BT31A (Haywardindl. Products, Inc.).
Key specifications for ST051015BT31A: Distance From Bottom of Body to Center of Inlet: 6.810 INCHES NOMINAL IN; First Intake Nominal Thread Size: 1.500 INCHES IN; First Intake Thread Series Designator: NPT; Temp Rating: 100.0 FAHRENHEIT NOMINAL DEGF. 16 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.