PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FL311-1Filter,radio Frequency Interfere

Cae Usa Inc. · NSN 5915-00-243-9281 · FSC 5915 · No Item Name Available
Verified by PartsTable
NSN 5915-00-243-9281 — this item is cataloged by the U.S. Government under National Stock Number 5915-00-243-9281. Primary manufacturer part number: FL311-1.
Features
  • Filter,radio Frequency Interfere — FSC 5915
  • Body Width: 2.500 INCHES NOMINAL IN
  • Operating Voltage Rating and Type Per Function: 125.0 VOLTS AC 2ND RADIO INTERFERENCE SECOND FUNCTION
  • Maximum Voltage Drop Per Function: 1.25 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION
  • Power Line Frequency Rating Per Function in Hertz: 60.0 1ST RADIO INTERFERENCE FIRST FUNCTION
  • Mounting Facility Screw Thread Series Designator: UNF
  • Source Impedance Rating Per Function: 50.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION
  • Nominal Thread Size: 0.190 INCHES IN
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-00-243-9281, is classified within Federal Supply Class 5915 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Cae Usa Inc.. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5915-00-243-9281
Primary Part NumberFL311-1
Item NameFilter,radio Frequency Interfere
FSC / FSG5915 / 59 — No Item Name Available
ManufacturerCae Usa Inc.
StatusACTIVE
Body Width2.500 INCHES NOMINAL IN
Operating Voltage Rating and Type Per Function125.0 VOLTS AC 2ND RADIO INTERFERENCE SECOND FUNCTION
Maximum Voltage Drop Per Function1.25 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION
Power Line Frequency Rating Per Function in Hertz60.0 1ST RADIO INTERFERENCE FIRST FUNCTION
Mounting Facility Screw Thread Series DesignatorUNF
Source Impedance Rating Per Function50.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION
Nominal Thread Size0.190 INCHES IN
Load Impedance Per Function50.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION
Source Impedance Rating Per Function50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION
Operating Voltage Rating and Type Per Function125.0 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION
Operating Current Rating Per Function in Amps25.0 2ND RADIO INTERFERENCE SECOND FUNCTION
Input Terminal Manufacturer Code96906
Functional Terminal Type and Quantity1 CONNECTOR, RECEPTACLE INPUT FIRST FUNCTION
Operating Current Rating Per Function in Amps25.0 1ST RADIO INTERFERENCE FIRST FUNCTION
Inclosure TypeHERMETICALLY SEALED
Mounting Facility Type and Quantity2 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED
Style DesignatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
Functional Terminal Type and Quantity2 THREADED STUD OUTPUT SECOND FUNCTION
Input Terminal IdentificationMS3102E18-11P
Power Line Frequency Rating Per Function in Hertz60.0 2ND RADIO INTERFERENCE SECOND FUNCTION
Operating Temp Range-55.0 TO 85.0 CELSIUS DEGC
Load Impedance Per Function50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION
Maximum Voltage Drop Per Function1.25 VOLTS AC 2ND RADIO INTERFERENCE SECOND FUNCTION
Distance Between Centerlines of Mounting Facilities Parallel to Body Length5.000 INCHES NOMINAL IN
Body Height4.250 INCHES NOMINAL IN
Body Length5.938 INCHES MINIMUM AND 6.062 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-321-6143 INTERCHANGEABLE
Sleeve,compression,tube-Hose Fit
2010-01-013-6027A-2568 INTERCHANGEABLE
Stem Alignment Tool
Walz & Krenzer Inc Div Mapeco Products
Cross-Reference Index
Part NumberManufacturer
A2568 Mtk Electronics Inc (USA)
FL311-1 Raytheon Technical Services Company (USA)
M1609 Mtk Electronics Inc (USA)
FL311-1 PRIMARY Cae Usa Inc. (USA)
EMI-F-0421 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
Related Parts
4730-00-321-6143INTERCHANGEABLE
SLEEVE,COMPRESSION,TUBE-HOSE FIT
2010-01-013-6027INTERCHANGEABLE
STEM ALIGNMENT TOOL
A-2568

Frequently Asked Questions

What is NSN 5915-00-243-9281?

NSN 5915-00-243-9281 is a Filter,radio Frequency Interfere, manufactured by Cae Usa Inc., classified under FSC 5915 (No Item Name Available). Status: active.

What are the part numbers for NSN 5915-00-243-9281?

NSN 5915-00-243-9281 has 5 cross-referenced part numbers: A2568 (Mtk Electronics Inc), FL311-1 (Raytheon Technical Services Company), M1609 (Mtk Electronics Inc), FL311-1 (Cae Usa Inc.), EMI-F-0421 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems).

What NSN replaces 5915-00-243-9281?

There are 2 known substitutes for 5915-00-243-9281: 4730-00-321-6143, 2010-01-013-6027. Verify interchangeability with system specifications before substitution.

What are the specifications of FL311-1?

Key specifications for FL311-1: Body Width: 2.500 INCHES NOMINAL IN; Operating Voltage Rating and Type Per Function: 125.0 VOLTS AC 2ND RADIO INTERFERENCE SECOND FUNCTION; Maximum Voltage Drop Per Function: 1.25 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION; Power Line Frequency Rating Per Function in Hertz: 60.0 1ST RADIO INTERFERENCE FIRST FUNCTION. 27 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