The Strainer,suction, cataloged under National Stock Number 4730-01-509-4840, 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 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-509-4840 |
| Primary Part Number | 6393457-2 |
| Item Name | Strainer,suction |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Body Diameter | 1.500 INCHES NOMINAL IN |
| Body Overall Length | 4.000 INCHES NOMINAL IN |
| Criticality Code Justification | FEAT |
| Material Document and Classification | QQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Body Inside Diameter | 1.310 INCHES NOMINAL IN |
| Filtering Element Quantity | 1 |
| Material | NICKEL AND COPPER BODY |
| Mounting Type | OUTLET CONNECTION TOP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 6393457-2 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6393457 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-509-4840 is a Strainer,suction, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-509-4840 has 1 manufacturer part number on file: 6393457-2 (Naval Sea Systems Command).
Key specifications for 6393457-2: Body Diameter: 1.500 INCHES NOMINAL IN; Body Overall Length: 4.000 INCHES NOMINAL IN; Criticality Code Justification: FEAT; Material Document and Classification: QQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE BODY. 8 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.
NSN 4730-01-509-4840 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.