PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-9-4BStrainer,sediment

Gas Equipment Engineering Corporation, the Dba Geeco · NSN 4730-00-289-5280 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-289-5280 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-289-5280. Primary manufacturer part number: 3-9-4B.
Features
  • Strainer,sediment — FSC 4730
  • First Intake Nominal Thread Size: 0.500 INCHES IN
  • Media for Which Designed: WATER
  • Nondefinitive Spec/std Data: 1 TYPE AND 250 CLASS AND Y STYLE
  • Style Designator: Y STRAINER W/THREADED COVER
  • Material: STEEL CORROSION RESISTING FILTERING MEDIUM
  • Specification/standard Data: 81348-WW-S-2739 GOVERNMENT SPECIFICATION
  • Mounting Type: INLET CONNECTION AND OUTLET CONNECTION LINE
Applications
  • Applications requiring Steel Corrosion Resisting Filtering Medium construction
General Description

The Strainer,sediment, cataloged under National Stock Number 4730-00-289-5280, 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 Gas Equipment Engineering Corporation, the Dba Geeco. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-289-5280
Primary Part Number3-9-4B
Item NameStrainer,sediment
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerGas Equipment Engineering Corporation, the Dba Geeco
StatusACTIVE
First Intake Nominal Thread Size0.500 INCHES IN
Media for Which DesignedWATER
Nondefinitive Spec/std Data1 TYPE AND 250 CLASS AND Y STYLE
Style DesignatorY STRAINER W/THREADED COVER
MaterialSTEEL CORROSION RESISTING FILTERING MEDIUM
Specification/standard Data81348-WW-S-2739 GOVERNMENT SPECIFICATION
Mounting TypeINLET CONNECTION AND OUTLET CONNECTION LINE
First Intake Connection TypeTHREADED INTERNAL PIPE LINE
Filtering Media DesignMESH SINGLE FILTERING MEDIA RESPONSE
Wire Diameter0.005 INCHES NOMINAL IN
Temp Rating410.0 FAHRENHEIT NOMINAL DEGF
First Intake Thread Series DesignatorNPT
Mesh Size100.0
Body Length3.125 INCHES NOMINAL IN
First Discharge Connection Relationship to Intake ConnectionIDENTICAL TO FIRST INTAKE CONNECTION
Distance From Bottom of Body to Center of Inlet2.156 INCHES NOMINAL IN
First Intake Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-103-6259 INTERCHANGEABLE
Plate,bearing
3110-00-144-8499177002-32 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5930-00-164-07608011-2 INTERCHANGEABLE
Switch,code Indicating Wheel
Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch
4730-00-200-0219 INTERCHANGEABLE
Strainer,sediment
5910-00-228-6091 INTERCHANGEABLE
Capacitor,variable,air Dielectri
9340-00-230-430290-112 INTERCHANGEABLE
Window,observation
Metal Textiles Corporation Dba Metal Textiles Div Electronic Shielding Group
4730-00-278-2600 INTERCHANGEABLE
Strainer,sediment
4730-00-278-2602 INTERCHANGEABLE
Strainer,sediment
4730-00-278-2606 INTERCHANGEABLE
Strainer,sediment
4730-00-278-2607 INTERCHANGEABLE
Strainer,sediment
Cross-Reference Index
Part NumberManufacturer
WW-S-2739 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
901 1-2 Pentair Valves & Controls Us Lp Div Pentair Flow Control (USA)
3-9-4B PRIMARY Gas Equipment Engineering Corporation, the Dba Geeco (USA)
801-1-2 Pentair Valves & Controls Us Lp Div Pentair Flow Control (USA)
Related Parts
3110-00-103-6259INTERCHANGEABLE
PLATE,BEARING
3110-00-144-8499INTERCHANGEABLE
BEARING,BALL,ANNULAR
177002-32
5930-00-164-0760INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
8011-2
4730-00-200-0219INTERCHANGEABLE
STRAINER,SEDIMENT
5910-00-228-6091INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
9340-00-230-4302INTERCHANGEABLE
WINDOW,OBSERVATION
90-112
4730-00-278-2600INTERCHANGEABLE
STRAINER,SEDIMENT
4730-00-278-2602INTERCHANGEABLE
STRAINER,SEDIMENT
4730-00-278-2606INTERCHANGEABLE
STRAINER,SEDIMENT
4730-00-278-2607INTERCHANGEABLE
STRAINER,SEDIMENT
4730-00-278-2624INTERCHANGEABLE
STRAINER,SEDIMENT
4730-00-279-0337INTERCHANGEABLE
STRAINER,SEDIMENT

Frequently Asked Questions

What is NSN 4730-00-289-5280?

NSN 4730-00-289-5280 is a Strainer,sediment, manufactured by Gas Equipment Engineering Corporation, the Dba Geeco, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-289-5280?

NSN 4730-00-289-5280 has 4 cross-referenced part numbers: WW-S-2739 (Federal Specifications Promulgated by General Services Administration Washington DC), 901 1-2 (Pentair Valves & Controls Us Lp Div Pentair Flow Control), 3-9-4B (Gas Equipment Engineering Corporation, the Dba Geeco), 801-1-2 (Pentair Valves & Controls Us Lp Div Pentair Flow Control).

What NSN replaces 4730-00-289-5280?

There are 12 known substitutes for 4730-00-289-5280: 3110-00-103-6259, 3110-00-144-8499, 5930-00-164-0760 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-9-4B?

Key specifications for 3-9-4B: First Intake Nominal Thread Size: 0.500 INCHES IN; Media for Which Designed: WATER; Nondefinitive Spec/std Data: 1 TYPE AND 250 CLASS AND Y STYLE; Style Designator: Y STRAINER W/THREADED COVER. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com