The Strainer Element,sediment, cataloged under National Stock Number 4730-01-224-5501, 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 Bath Iron Works Corporation. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-224-5501 |
| Primary Part Number | S-4133 |
| Item Name | Strainer Element,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Bath Iron Works Corporation |
| Status | ACTIVE |
| Filtering Media Design | MESH |
| Mesh Size | 16.0 |
| End Connection Type | FLANGE W/BAIL FIRST END |
| End Connection Type | PLAIN SECOND END |
| Style Designator | CYLINDRICAL |
| Material | STEEL CORROSION RESISTING |
| Wire Diameter | 0.018 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 |
|---|---|
| S-4133 PRIMARY | Bath Iron Works Corporation (USA) |
| S-4131 PIECE 20 | Bath Iron Works Corporation (USA) |
| Reference | Meaning |
|---|---|
| S-4131 | D/9 Drawing number reference only Bath Iron Works Corporation |
NSN 4730-01-224-5501 is a Strainer Element,sediment, manufactured by Bath Iron Works Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-224-5501 has 2 manufacturer part numbers on file: S-4133 (Bath Iron Works Corporation), S-4131 PIECE 20 (Bath Iron Works Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5950-01-445-5999. Verify interchangeability with system specifications before substitution.
Key specifications for S-4133: Filtering Media Design: MESH; Mesh Size: 16.0; End Connection Type: FLANGE W/BAIL FIRST END; End Connection Type: PLAIN SECOND END. 7 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.