The Strainer,sediment, cataloged under National Stock Number 4730-01-450-0267, 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 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-450-0267 |
| Primary Part Number | ST051020BF11A |
| 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 | 8.380 INCHES NOMINAL IN |
| Temp Rating | 100.0 FAHRENHEIT NOMINAL DEGF |
| Body Height | 20.130 INCHES NOMINAL IN |
| First Intake Connection Type | PLAIN FACE FLANGE UPPER SIDE |
| Style Designator | TWIN STRAINER W/BOLTED COVER |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| First Intake Flange Shape Style | ROUND W/UNTHREADED BOLT HOLES |
| Body Length | 17.380 INCHES NOMINAL IN |
| First Discharge Flange Face Style | PLAIN |
| Material | COPPER ALLOY BODY |
| Material | STEEL COMP 316 FILTERING MEDIUM |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION UPPER SIDE |
| First Intake Flange Face Style | PLAIN |
| First Discharge Flange Shape Style | ROUND W/UNTHREADED BOLT HOLES |
| Second Intake Connection Relationship to First Intake Connection | 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 |
|---|---|
| ST051020BF11A-2IN | Haywardindl. Products, Inc. (USA) |
| ST051020BF11A PRIMARY | Haywardindl. Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| SD051085 | D/9 Drawing number reference only Haywardindl. Products, Inc. |
| ST051020BF11A-5 | C/1 Advisory reference — outside the item-of-supply concept Haywardindl. Products, Inc. |
NSN 4730-01-450-0267 is a Strainer,sediment, manufactured by Haywardindl. Products, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-450-0267 has 2 manufacturer part numbers on file: ST051020BF11A-2IN (Haywardindl. Products, Inc.), ST051020BF11A (Haywardindl. Products, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-450-0284, 4730-01-481-5287, 4730-01-553-6922. Verify interchangeability with system specifications before substitution.
Key specifications for ST051020BF11A: Distance From Bottom of Body to Center of Inlet: 8.380 INCHES NOMINAL IN; Temp Rating: 100.0 FAHRENHEIT NOMINAL DEGF; Body Height: 20.130 INCHES NOMINAL IN; First Intake Connection Type: PLAIN FACE FLANGE UPPER SIDE. 15 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.