The Strainer,sediment, cataloged under National Stock Number 4730-01-510-3685, 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 26 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-510-3685 |
| Primary Part Number | 801-6405539 |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Filtering Media Design | MESH SINGLE FILTERING MEDIA RESPONSE |
| Body Diameter | 0.810 INCHES NOMINAL IN |
| First Discharge Connection Type | UNTHREADED EXTERNAL TUBE BOTTOM |
| Body Overall Length | 3.250 INCHES NOMINAL IN |
| Temp Rating | 160.0 FAHRENHEIT NOMINAL DEGF |
| Mesh Size | 200.0 |
| First Intake Connection Type | SOCKET WELDING TOP |
| Mounting Flange Bolt Hole Quantity | 1 |
| Criticality Code Justification | FEAT |
| Style Designator | CYLINDRICAL W/ CONTAINER (RIGID) AND MOUNTING FLANGE |
| Material Document and Classification | QQ-S-763, CL 304, COND A FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | RR-W-360, TY 1, CL 1 FED SPEC SINGLE MATERIAL RESPONSE SCREENING |
| Operating Pressure | 10.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Body Inside Diameter | 0.560 INCHES NOMINAL IN |
| First Intake Nominal Inside Diameter | 0.560 INCHES IN |
| Mounting Flange Thickness | 0.380 INCHES NOMINAL IN |
| First Discharge Connection Relationship to Intake Connection | NOT IDENTICAL |
| First Discharge Nominal Outside Diameter | 0.810 INCHES IN |
| Mounting Flange Bolt Hole Diameter | 1.310 INCHES NOMINAL IN |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| Mounting Flange Bolt Circle Diameter | 1.410 INCHES NOMINAL IN |
| Mounting Flange Diameter | 1.528 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING BODY |
| Material | COPPER ALLOY SCREENING |
| Mounting Type | INLET CONNECTION TOP |
| Wire Diameter | 0.0021 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 801-6405539 PRIMARY | Naval Sea Systems Command (USA) |
| DF2300-4423 ASSY 84 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 556-7068369-F106 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6405539 | D/9 Drawing number reference only Naval Sea Systems Command |
| H793-1107-F106 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-510-3685 is a Strainer,sediment, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-510-3685 has 3 manufacturer part numbers on file: 801-6405539 (Naval Sea Systems Command), DF2300-4423 ASSY 84 (Huntington Ingalls Inc Div Newport News Shipbuilding), 556-7068369-F106 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-709-2050, 4730-01-720-0235. Verify interchangeability with system specifications before substitution.
Key specifications for 801-6405539: Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE; Body Diameter: 0.810 INCHES NOMINAL IN; First Discharge Connection Type: UNTHREADED EXTERNAL TUBE BOTTOM; Body Overall Length: 3.250 INCHES NOMINAL IN. 26 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.