The Strainer,sediment, cataloged under National Stock Number 4730-01-306-6411, 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 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-306-6411 |
| Primary Part Number | ST-72F-B-4.00-.125PERF |
| 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 |
| Distance From Bottom of Body to Center of Inlet | 10.750 INCHES NOMINAL IN |
| First Intake Flange Thickness | 0.688 INCHES NOMINAL IN |
| First Intake Flange Outside Diameter | 9.000 INCHES NOMINAL IN |
| Body Height | 19.875 INCHES NOMINAL IN |
| First Intake Connection Type | PLAIN FACE FLANGE SIDE NEAR TOP |
| Perforation Quantity | 32.0 PER SQUARE INCH |
| Style Designator | STRAIGHT FLOW BASKET STRAINER W/CLAMPED COVER |
| Material Document and Classification | ASTM,B-62 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| First Intake Flange Shape Style | ROUND W/UNTHREADED BOLT HOLES |
| Body Length | 16.750 INCHES NOMINAL IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | ANY ACCEPTABLE |
| Bracket Quantity | 2 |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY FILTERING MEDIUM |
| Perforation Diameter | 0.125 INCHES NOMINAL IN |
| Mounting Type | BRACKET BOTTOM |
| 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 |
|---|---|
| ST-72F-B-4.00-.125PERF PRIMARY | Haywardindl. Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 72F-B | D/9 Drawing number reference only Haywardindl. Products, Inc. |
NSN 4730-01-306-6411 is a Strainer,sediment, manufactured by Haywardindl. Products, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-306-6411 has 1 manufacturer part number on file: ST-72F-B-4.00-.125PERF (Haywardindl. Products, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-332-6961, 4730-01-440-0844. Verify interchangeability with system specifications before substitution.
Key specifications for ST-72F-B-4.00-.125PERF: Filtering Media Design: PERFORATED SINGLE FILTERING MEDIA RESPONSE; Distance From Bottom of Body to Center of Inlet: 10.750 INCHES NOMINAL IN; First Intake Flange Thickness: 0.688 INCHES NOMINAL IN; First Intake Flange Outside Diameter: 9.000 INCHES NOMINAL IN. 19 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.