The Strainer Element,sediment, cataloged under National Stock Number 4730-01-122-4844, 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 Naval Sea Systems Command. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-122-4844 |
| Primary Part Number | 256-5182899 ITEM 3 |
| Item Name | Strainer Element,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Filtering Media Design | PERFORATED |
| Length | 9.500 INCHES NOMINAL IN |
| First End Flange Thickness | 0.062 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| End Connection Type | FLANGE W/BAIL FIRST END |
| End Connection Type | PLAIN SECOND END |
| Perforation Quantity | 8.0 PER SQUARE INCH |
| Style Designator | CYLINDRICAL |
| Element Outside Diameter | 5.500 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Perforation Diameter | 0.250 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 |
|---|---|
| 256-5182899 ITEM 3 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| C6-850-48-05-04 ITEM 3 | 3/9 Design control — primary reference Huntington Ingalls Incorporated Div Ingalls Shipbuilding |
| 256-5182899 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-122-4844 is a Strainer Element,sediment, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-122-4844 has 1 manufacturer part number on file: 256-5182899 ITEM 3 (Naval Sea Systems Command).
Key specifications for 256-5182899 ITEM 3: Filtering Media Design: PERFORATED; Length: 9.500 INCHES NOMINAL IN; First End Flange Thickness: 0.062 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; End Connection Type: FLANGE W/BAIL FIRST END. 10 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.