The Strainer,sediment, cataloged under National Stock Number 4730-01-115-7640, 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 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-115-7640 |
| Primary Part Number | 50TB1-1/4 |
| 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 |
| Mounting Hole Quantity | 4 |
| Distance From Bottom of Body to Center of Inlet | 6.813 INCHES NOMINAL IN |
| First Intake Nominal Thread Size | 1.250 INCHES IN |
| First Intake Thread Series Designator | NPT |
| Temp Rating | 75.0 FAHRENHEIT NOMINAL DEGF |
| First Intake Thread Direction | RIGHT-HAND |
| Body Width | 7.625 INCHES NOMINAL IN |
| Body Height | 13.000 INCHES NOMINAL IN |
| First Intake Connection Type | THREADED INTERNAL PIPE CENTER |
| Perforation Quantity | 225.0 PER SQUARE INCH |
| Style Designator | TWIN STRAINER W/BOLTED COVER |
| Mounting Hole Diameter | 0.562 INCHES NOMINAL IN |
| Features Provided | DRAIN PLUG AND MANUAL SHUT-OFF VALVE |
| Body Length | 15.000 INCHES NOMINAL IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | ANY ACCEPTABLE |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY SCREENING |
| Perforation Diameter | 0.045 INCHES NOMINAL IN |
| Mounting Type | UNTHREADED HOLE BASE |
| 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 |
|---|---|
| 50TB1-1/4 PRIMARY | Haywardindl. Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 50T-B | D/9 Drawing number reference only Haywardindl. Products, Inc. |
NSN 4730-01-115-7640 is a Strainer,sediment, manufactured by Haywardindl. Products, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-115-7640 has 1 manufacturer part number on file: 50TB1-1/4 (Haywardindl. Products, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-291-1813. Verify interchangeability with system specifications before substitution.
Key specifications for 50TB1-1/4: Filtering Media Design: PERFORATED SINGLE FILTERING MEDIA RESPONSE; Mounting Hole Quantity: 4; Distance From Bottom of Body to Center of Inlet: 6.813 INCHES NOMINAL IN; First Intake Nominal Thread Size: 1.250 INCHES IN. 21 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.