PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

251-1-4Strainer,sediment

Core Industries Inc. Dba Mueller Steam Specialty · NSN 4730-00-105-9219 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-105-9219 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-105-9219. Primary manufacturer part number: 251-1-4.
Features
  • Strainer,sediment — FSC 4730
  • Surface Treatment: PAINT BODY
  • First Discharge Connection Relationship to Intake Connection: IDENTICAL TO FIRST INTAKE CONNECTION
  • Material: IRON BODY
  • First Intake Thread Series Designator: NPT
  • First Intake Nominal Thread Size: 0.250 INCHES IN
  • Material: NICKEL ALLOY SCREENING
  • Temp Rating: 425.0 FAHRENHEIT NOMINAL DEGF
Applications
  • Applications requiring Iron Body construction
General Description

The Strainer,sediment, cataloged under National Stock Number 4730-00-105-9219, 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 Core Industries Inc. Dba Mueller Steam Specialty. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-105-9219
Primary Part Number251-1-4
Item NameStrainer,sediment
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCore Industries Inc. Dba Mueller Steam Specialty
StatusACTIVE
Surface TreatmentPAINT BODY
First Discharge Connection Relationship to Intake ConnectionIDENTICAL TO FIRST INTAKE CONNECTION
MaterialIRON BODY
First Intake Thread Series DesignatorNPT
First Intake Nominal Thread Size0.250 INCHES IN
MaterialNICKEL ALLOY SCREENING
Temp Rating425.0 FAHRENHEIT NOMINAL DEGF
Media for Which DesignedAIR AND WATER
Distance From Bottom of Body to Center of Inlet1.625 INCHES NOMINAL IN
Style DesignatorY STRAINER W/THREADED COVER
Mounting TypeINLET CONNECTION AND OUTLET CONNECTION LINE
Body Length3.687 INCHES NOMINAL IN
Operating Pressure4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Mesh Size20.0
Wire Diameter0.020 INCHES NOMINAL IN
Filtering Media DesignMESH SINGLE FILTERING MEDIA RESPONSE
First Intake Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4410-00-051-6275 INTERCHANGEABLE
Nozzle Tip,swirler
5133-00-228-1329 INTERCHANGEABLE
Drill,twist
5120-00-264-3796 INTERCHANGEABLE
Wrench,adjustable
5935-01-008-0424ST5M1356-001 INTERCHANGEABLE
Connector,plug,electrical
The Boeing Company Div Defense
6650-01-089-888925114 INTERCHANGEABLE
Window,optical Display,shielded
Drs Signal Solutions, Inc.
5330-01-385-5269 INTERCHANGEABLE
Retainer,packing
5120-01-411-1542 INTERCHANGEABLE
Wrench,box and Open End,combinat
4720-01-537-9839 INTERCHANGEABLE
Hose Assembly,nonmetallic
5306-01-576-042025114-011 INTERCHANGEABLE
Bolt,machine
Hendrickson Usa Llc
5325-01-581-987325114 INTERCHANGEABLE
Ring,retaining
Malabar
Cross-Reference Index
Part NumberManufacturer
251-1-4 PRIMARY Core Industries Inc. Dba Mueller Steam Specialty (USA)
PL-A-1244 Core Industries Inc. Dba Mueller Steam Specialty (USA)
Related Parts
4410-00-051-6275INTERCHANGEABLE
NOZZLE TIP,SWIRLER
5133-00-228-1329INTERCHANGEABLE
DRILL,TWIST
5120-00-264-3796INTERCHANGEABLE
WRENCH,ADJUSTABLE
5935-01-008-0424INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
ST5M1356-001
6650-01-089-8889INTERCHANGEABLE
WINDOW,OPTICAL DISPLAY,SHIELDED
25114
5330-01-385-5269INTERCHANGEABLE
RETAINER,PACKING
5120-01-411-1542INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
4720-01-537-9839INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
5306-01-576-0420INTERCHANGEABLE
BOLT,MACHINE
25114-011
5325-01-581-9873INTERCHANGEABLE
RING,RETAINING
25114

Frequently Asked Questions

What is NSN 4730-00-105-9219?

NSN 4730-00-105-9219 is a Strainer,sediment, manufactured by Core Industries Inc. Dba Mueller Steam Specialty, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-105-9219?

NSN 4730-00-105-9219 has 2 cross-referenced part numbers: 251-1-4 (Core Industries Inc. Dba Mueller Steam Specialty), PL-A-1244 (Core Industries Inc. Dba Mueller Steam Specialty).

What NSN replaces 4730-00-105-9219?

There are 10 known substitutes for 4730-00-105-9219: 4410-00-051-6275, 5133-00-228-1329, 5120-00-264-3796 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 251-1-4?

Key specifications for 251-1-4: Surface Treatment: PAINT BODY; First Discharge Connection Relationship to Intake Connection: IDENTICAL TO FIRST INTAKE CONNECTION; Material: IRON BODY; First Intake Thread Series Designator: NPT. 18 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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