PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DD421S49-0301PC94Strainer Element,sediment

Naval Ship Systems Command · NSN 4730-00-202-8781 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-202-8781 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-202-8781. Primary manufacturer part number: DD421S49-0301PC94.
Features
  • Strainer Element,sediment — FSC 4730
  • Filtering Media Design: PERFORATED
  • Element Outside Diameter: 1.250 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL
  • Perforation Diameter: 0.093 INCHES NOMINAL IN
  • End Connection Type: PLAIN ALL ENDS
  • Length: 2.562 INCHES NOMINAL IN
  • Perforation Quantity: 25.0 PER SQUARE INCH
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Strainer Element,sediment, cataloged under National Stock Number 4730-00-202-8781, 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 Naval Ship Systems Command. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 5 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
NSN4730-00-202-8781
Primary Part NumberDD421S49-0301PC94
Item NameStrainer Element,sediment
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Filtering Media DesignPERFORATED
Element Outside Diameter1.250 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Perforation Diameter0.093 INCHES NOMINAL IN
End Connection TypePLAIN ALL ENDS
Length2.562 INCHES NOMINAL IN
Perforation Quantity25.0 PER SQUARE INCH
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5315-00-146-2716 INTERCHANGEABLE
Pin,pivot
5998-00-488-0685 INTERCHANGEABLE
Circuit Card Assembly
5950-00-493-0538CB1670-2 INTERCHANGEABLE
Coil,radio Frequency
Caddell Burns Manufacturing Co Inc
1680-00-707-86506702 INTERCHANGEABLE
Body Section,switch
Aerospace Lighting Corporation
5940-00-727-535119131-0004 INTERCHANGEABLE
Terminal,lug
Waytek Inc
4130-00-911-10286702 INTERCHANGEABLE
Compressor,refrigeration
Hdt Expeditionary Systems Inc
5940-00-983-6043 INTERCHANGEABLE
Terminal Board
4330-01-055-0465670-2 INTERCHANGEABLE
Filter,fluid
Amfs American Fleet Services
6350-01-065-8786 INTERCHANGEABLE
Alarm,warning Truck
3030-01-065-94045060436 INTERCHANGEABLE
Belt,v
Muviq Usa, Llc
Cross-Reference Index
Part NumberManufacturer
DD452S4901-11PC94 Naval Ship Systems Command (USA)
CVE105S4902-251093PC94 Naval Ship Systems Command (USA)
DD421S49-0301PC94 PRIMARY Naval Ship Systems Command (USA)
111158 Westinghouse Electric Corp (USA)
D15-661KPC94 Westinghouse Electric Corp (USA)
D15-762EPC94 Westinghouse Electric Corp (USA)
D15-308JPC94 Westinghouse Electric Corp Sturtevant Div (USA)
DD445S4901-60PC94 Naval Ship Systems Command (USA)
17Y2453PC94 PRIMARY Naval Ship Systems Command (USA)
111158 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-661EPC94 Westinghouse Electric Corp (USA)
D15-308BPC94 Westinghouse Electric Corp Sturtevant Div (USA)
D15-443BPC94 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-661KPC94 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-508JPC94 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-508EPC94 Westinghouse Electric Corp Sturtevant Div (USA)
D15-393EPC94 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-655EPC94 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
DD453S49-56PC94 Naval Ship Systems Command (USA)
DD421S49-0102PC94 Naval Ship Systems Command (USA)
Related Parts
5315-00-146-2716INTERCHANGEABLE
PIN,PIVOT
5998-00-488-0685INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5950-00-493-0538INTERCHANGEABLE
COIL,RADIO FREQUENCY
CB1670-2
1680-00-707-8650INTERCHANGEABLE
BODY SECTION,SWITCH
6702
5940-00-727-5351INTERCHANGEABLE
TERMINAL,LUG
19131-0004
4130-00-911-1028INTERCHANGEABLE
COMPRESSOR,REFRIGERATION
6702
5940-00-983-6043INTERCHANGEABLE
TERMINAL BOARD
4330-01-055-0465INTERCHANGEABLE
FILTER,FLUID
670-2
6350-01-065-8786INTERCHANGEABLE
ALARM,WARNING TRUCK
3030-01-065-9404INTERCHANGEABLE
BELT,V
5060436
6130-01-168-8000INTERCHANGEABLE
POWER SUPPLY
C10573-2
5136-01-431-1915INTERCHANGEABLE
DIE,THREAD CUTTING
6702

Frequently Asked Questions

What is NSN 4730-00-202-8781?

NSN 4730-00-202-8781 is a Strainer Element,sediment, manufactured by Naval Ship Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-202-8781?

NSN 4730-00-202-8781 has 50 cross-referenced part numbers: DD452S4901-11PC94 (Naval Ship Systems Command), CVE105S4902-251093PC94 (Naval Ship Systems Command), DD421S49-0301PC94 (Naval Ship Systems Command), 111158 (Westinghouse Electric Corp), D15-661KPC94 (Westinghouse Electric Corp) and 45 more.

What NSN replaces 4730-00-202-8781?

There are 12 known substitutes for 4730-00-202-8781: 5315-00-146-2716, 5998-00-488-0685, 5950-00-493-0538 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DD421S49-0301PC94?

Key specifications for DD421S49-0301PC94: Filtering Media Design: PERFORATED; Element Outside Diameter: 1.250 INCHES NOMINAL IN; Style Designator: CYLINDRICAL; Perforation Diameter: 0.093 INCHES NOMINAL IN. 8 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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