The Strainer,sediment, cataloged under National Stock Number 4730-01-293-2957, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-293-2957 |
| Primary Part Number | SY-B-150F-1.5 |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Haywardindl. Products, Inc. |
| Status | ACTIVE |
| Filtering Media Design | PERFORATED SINGLE FILTERING MEDIA RESPONSE |
| First Intake Connection Type | PLAIN FACE FLANGE LINE |
| Style Designator | Y STRAINER W/THREADED COVER |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| First Intake Flange Shape Style | ROUND W/UNTHREADED BOLT HOLES |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | WATER |
| Material | COPPER ALLOY BODY |
| Material | STEEL COMP 316 FILTERING MEDIUM |
| Perforation Diameter | 0.020 INCHES NOMINAL IN |
| First Intake Flange Face Style | PLAIN |
| 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-B-150F-1.5 PRIMARY | Haywardindl. Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| SY-B-150F | D/9 Drawing number reference only Haywardindl. Products, Inc. |
NSN 4730-01-293-2957 is a Strainer,sediment, manufactured by Haywardindl. Products, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-293-2957 has 1 manufacturer part number on file: SY-B-150F-1.5 (Haywardindl. Products, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-293-2959, 4730-01-333-1970, 4730-01-333-1971. Verify interchangeability with system specifications before substitution.
Key specifications for SY-B-150F-1.5: Filtering Media Design: PERFORATED SINGLE FILTERING MEDIA RESPONSE; First Intake Connection Type: PLAIN FACE FLANGE LINE; Style Designator: Y STRAINER W/THREADED COVER; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS. 11 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.