PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DS-B-90321Strainer,sediment

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4730-01-449-9946 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-449-9946 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-449-9946. Primary manufacturer part number: DS-B-90321.
Features
  • Strainer,sediment — FSC 4730
  • Operating Pressure: 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • Mounting Facility Nominal Thread Size: 3.062 INCHES IN
  • First Intake Nominal Inside Diameter: 1.500 INCHES IN
  • Filtering Media Design: PERFORATED SINGLE FILTERING MEDIA RESPONSE
  • Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FILTERING MEDIUM
  • First Discharge Connection Relationship to Intake Connection: IDENTICAL TO FIRST INTAKE CONNECTION
  • Style Designator: Y STRAINER W/THREADED COVER
Applications
  • Applications requiring Nickel Alloy Filtering Medium construction
General Description

The Strainer,sediment, cataloged under National Stock Number 4730-01-449-9946, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-449-9946
Primary Part NumberDS-B-90321
Item NameStrainer,sediment
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Operating Pressure700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Mounting Facility Nominal Thread Size3.062 INCHES IN
First Intake Nominal Inside Diameter1.500 INCHES IN
Filtering Media DesignPERFORATED SINGLE FILTERING MEDIA RESPONSE
Material Document and ClassificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FILTERING MEDIUM
First Discharge Connection Relationship to Intake ConnectionIDENTICAL TO FIRST INTAKE CONNECTION
Style DesignatorY STRAINER W/THREADED COVER
MaterialNICKEL ALLOY FILTERING MEDIUM
Mounting Hole Quantity1
Mounting TypeTHREADED HOLE BOTTOM SIDE
Media for Which DesignedFUEL/OIL, HYDROCARBON AND GAS AND WATER
Distance From Bottom of Body to Center of Inlet5.500 INCHES NOMINAL IN
Body Length6.000 INCHES MINIMUM AND 6.250 INCHES MAXIMUM IN
Material Document and ClassificationMIL-C-20159 MIL SPEC SINGLE MATERIAL RESPONSE BODY
First Intake Connection TypeSOCKET WELDING LINE
Temp Rating200.0 FAHRENHEIT NOMINAL DEGF
MaterialCOPPER ALLOY BODY
Perforation Diameter0.125 INCHES NOMINAL IN
Perforation Quantity8.7 PER SQUARE INCH
Mounting Facility Thread Series DesignatorUN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-01-450-3124301540 INTERCHANGEABLE
Strainer Element,sediment
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
DS-B-90321 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
4730-01-450-3124INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
301540

Frequently Asked Questions

What is NSN 4730-01-449-9946?

NSN 4730-01-449-9946 is a Strainer,sediment, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-449-9946?

NSN 4730-01-449-9946 has 1 cross-referenced part number: DS-B-90321 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4730-01-449-9946?

There is 1 known substitute for 4730-01-449-9946: 4730-01-450-3124. Verify interchangeability with system specifications before substitution.

What are the specifications of DS-B-90321?

Key specifications for DS-B-90321: Operating Pressure: 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Mounting Facility Nominal Thread Size: 3.062 INCHES IN; First Intake Nominal Inside Diameter: 1.500 INCHES IN; Filtering Media Design: PERFORATED SINGLE FILTERING MEDIA RESPONSE. 21 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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