The Strainer,sediment, cataloged under National Stock Number 4730-01-189-1006, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-189-1006 |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Filtering Media Design | PERFORATED FIRST FILTERING MEDIA RESPONSE |
| First Intake Flange Thickness | 1.438 INCHES NOMINAL IN |
| First Intake Flange Outside Diameter | 8.375 INCHES NOMINAL IN |
| Body Height | 17.250 INCHES NOMINAL IN |
| First Intake Connection Type | PLAIN FACE FLANGE UPPER SIDE |
| Perforation Quantity | 8.0 PER SQUARE INCH |
| Style Designator | TWIN STRAINER W/BOLTED COVER |
| Material Document and Classification | MIL-C-20189 MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE FILTERING MEDIUM |
| First Intake Flange Shape Style | ROUND W/UNTHREADED BOLT HOLES |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY FILTERING MEDIUM |
| Perforation Diameter | 0.250 INCHES NOMINAL IN |
| Mounting Type | INLET CONNECTION UPPER SIDE |
| Mounting Type | OUTLET CONNECTION BOTTOM SIDE |
| 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 |
| Reference | Meaning |
|---|---|
| SSN593-508-1863433 3 1/2IN | 3/2 Design control — primary reference U.S. Government activity |
| SSN593-508-1863433 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-189-1006 is a Strainer,sediment, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-189-4676, 4330-01-189-4677, 4330-01-189-4679. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-189-1006: Filtering Media Design: PERFORATED FIRST FILTERING MEDIA RESPONSE; First Intake Flange Thickness: 1.438 INCHES NOMINAL IN; First Intake Flange Outside Diameter: 8.375 INCHES NOMINAL IN; Body Height: 17.250 INCHES NOMINAL IN. 17 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.