The Strainer,sediment, cataloged under National Stock Number 4730-01-340-5976, 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 9 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-340-5976 |
| Primary Part Number | ST051015BR31A |
| 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 | 6.812 INCHES NOMINAL IN |
| Body Width | 9.375 INCHES NOMINAL IN |
| Body Height | 15.500 INCHES NOMINAL IN |
| Style Designator | TWIN STRAINER W/BOLTED COVER |
| Body Length | 15.125 INCHES NOMINAL IN |
| Material | STEEL BODY |
| Material | COPPER ALLOY FILTERING MEDIUM |
| Perforation Diameter | 0.047 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 |
|---|---|
| ST051015BR31A PRIMARY | Haywardindl. Products, Inc. (USA) |
NSN 4730-01-340-5976 is a Strainer,sediment, manufactured by Haywardindl. Products, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-340-5976 has 1 manufacturer part number on file: ST051015BR31A (Haywardindl. Products, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-340-5977. Verify interchangeability with system specifications before substitution.
Key specifications for ST051015BR31A: Filtering Media Design: PERFORATED SINGLE FILTERING MEDIA RESPONSE; Distance From Bottom of Body to Center of Inlet: 6.812 INCHES NOMINAL IN; Body Width: 9.375 INCHES NOMINAL IN; Body Height: 15.500 INCHES NOMINAL IN. 9 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.