The Strainer,sediment, cataloged under National Stock Number 4730-01-449-9957, 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 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 19 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-449-9957 |
| Primary Part Number | DS-B-90310 |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Filtering Media Design | PERFORATED SINGLE FILTERING MEDIA RESPONSE |
| Mounting Hole Quantity | 1 |
| First Intake Nominal Outside Diameter | 2.000 INCHES IN |
| Distance From Bottom of Body to Center of Inlet | 5.680 INCHES MINIMUM AND 5.696 INCHES MAXIMUM IN |
| Mounting Facility Nominal Thread Size | 3.750 INCHES IN |
| First Intake Connection Type | BUTT WELD LINE |
| Perforation Quantity | 51.0 PER SQUARE INCH |
| Style Designator | Y STRAINER W/THREADED COVER |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FILTERING MEDIUM |
| Material Document and Classification | MIL-C-20159 MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 1200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Body Length | 7.875 INCHES MINIMUM AND 8.000 INCHES MAXIMUM IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | FUEL/OIL, HYDROCARBON AND GAS OR WATER |
| Mounting Facility Thread Series Designator | UN |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY FILTERING MEDIUM |
| Perforation Diameter | 0.093 INCHES NOMINAL IN |
| Mounting Type | THREADED HOLE BOTTOM SIDE |
| 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 |
|---|---|
| DS-B-90310 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 211069755 | Naval Sea Systems Command (USA) |
NSN 4730-01-449-9957 is a Strainer,sediment, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-449-9957 has 2 manufacturer part numbers on file: DS-B-90310 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 211069755 (Naval Sea Systems Command).
Key specifications for DS-B-90310: Filtering Media Design: PERFORATED SINGLE FILTERING MEDIA RESPONSE; Mounting Hole Quantity: 1; First Intake Nominal Outside Diameter: 2.000 INCHES IN; Distance From Bottom of Body to Center of Inlet: 5.680 INCHES MINIMUM AND 5.696 INCHES MAXIMUM IN. 19 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.