The Strainer Element,sediment, cataloged under National Stock Number 4730-01-287-4765, 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 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-287-4765 |
| Primary Part Number | ST052120P250MM |
| Item Name | Strainer Element,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Haywardindl. Products, Inc. |
| Status | ACTIVE |
| Filtering Media Design | PERFORATED |
| Perforation Quantity | 8.0 PER SQUARE INCH |
| Material Document and Classification | QQ-N-281,CLA FED SPEC SINGLE MATERIAL RESPONSE |
| Material | NICKEL ALLOY |
| Perforation Diameter | 0.250 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 |
|---|---|
| ST052120P250MM PRIMARY | Haywardindl. Products, Inc. (USA) |
| ST073120BF10D PIECE 7 | Haywardindl. Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| ST052120PS50MM | C/1 Advisory reference — outside the item-of-supply concept Haywardindl. Products, Inc. |
| ST073120BF10D | D/9 Drawing number reference only Haywardindl. Products, Inc. |
NSN 4730-01-287-4765 is a Strainer Element,sediment, manufactured by Haywardindl. Products, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-287-4765 has 2 manufacturer part numbers on file: ST052120P250MM (Haywardindl. Products, Inc.), ST073120BF10D PIECE 7 (Haywardindl. Products, Inc.).
Key specifications for ST052120P250MM: Filtering Media Design: PERFORATED; Perforation Quantity: 8.0 PER SQUARE INCH; Material Document and Classification: QQ-N-281,CLA FED SPEC SINGLE MATERIAL RESPONSE; Material: NICKEL ALLOY. 5 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.