PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0121A0025Filter,radio Frequency Interfere

Lockheed Martin Corporation Div Rms · NSN 5915-01-356-4195 · FSC 5915 · No Item Name Available
Verified by PartsTable
NSN 5915-01-356-4195 — this item is cataloged by the U.S. Government under National Stock Number 5915-01-356-4195. Primary manufacturer part number: 0121A0025.
Features
  • Filter,radio Frequency Interfere — FSC 5915
  • Style Designator: RECTANGULAR TERMINAL/TERMINALS ON TWO SURFACES
  • Mounting Facility Screw Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Body Width: 1.750 INCHES NOMINAL IN
  • Nominal Thread Size: 0.138 INCHES IN
  • Body Material: METAL
  • Operating Voltage Rating and Type Per Function: 125.0 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION
  • Principal Circuitry Type Per Function: INDUCTANCE-CAPACITANCE 2ND RADIO INTERFERENCE SECOND FUNCTION
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-356-4195, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5915-01-356-4195
Primary Part Number0121A0025
Item NameFilter,radio Frequency Interfere
FSC / FSG5915 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms
StatusACTIVE
Style DesignatorRECTANGULAR TERMINAL/TERMINALS ON TWO SURFACES
Mounting Facility Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Body Width1.750 INCHES NOMINAL IN
Nominal Thread Size0.138 INCHES IN
Body MaterialMETAL
Operating Voltage Rating and Type Per Function125.0 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION
Principal Circuitry Type Per FunctionINDUCTANCE-CAPACITANCE 2ND RADIO INTERFERENCE SECOND FUNCTION
Principal Circuitry Type Per FunctionINDUCTANCE-CAPACITANCE 1ST RADIO INTERFERENCE FIRST FUNCTION
Source Impedance Rating Per Function50.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION
Source Impedance Rating Per Function50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION
Operating Current Rating Per Function in Amps2.0 2ND RADIO INTERFERENCE SECOND FUNCTION
Inclosure TypeHERMETICALLY SEALED
Body Length6.000 INCHES NOMINAL IN
Load Impedance Per Function50.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION
Operating Voltage Rating and Type Per Function126.0 VOLTS AC 2ND RADIO INTERFERENCE SECOND FUNCTION
Functional Terminal Type and Quantity1 CONNECTOR, RECEPTACLE INPUT FIRST FUNCTION
Power Line Frequency Rating Per Function in Hertz60.0 2ND RADIO INTERFERENCE SECOND FUNCTION
Mounting Facility Type and Quantity6 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
Distance Between Centerlines of Mounting Facilities Parallel to Body Width1.250 INCHES NOMINAL IN
Functional Terminal Type and Quantity2 TAB, SOLDER LUG OUTPUT SECOND FUNCTION
Power Line Frequency Rating Per Function in Hertz60.0 1ST RADIO INTERFERENCE FIRST FUNCTION
Operating Current Rating Per Function in Amps2.0 1ST RADIO INTERFERENCE FIRST FUNCTION
Body Height1.380 INCHES NOMINAL IN
Distance Between Centerlines of Mounting Facilities Parallel to Body Length2.750 INCHES NOMINAL IN
Load Impedance Per Function50.0 OHMS 2ND RADIO INTERFERENCE SECOND FUNCTION
Operating Temp Range+0.0 TO 50.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4820-00-236-2650111439 INTERCHANGEABLE
Sleeve,directional Control Linea
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
1730-00-568-0654111439-1 INTERCHANGEABLE
Fitting Assy,main F
Air Logistics Corporation Dba Air Logistics Corp
1730-00-568-0655111439-2 INTERCHANGEABLE
Fitting Assy,frame
Air Logistics Corporation Dba Air Logistics Corp
1730-00-927-8073111439-6 INTERCHANGEABLE
Fitting,trailer
Air Logistics Corporation Dba Air Logistics Corp
Cross-Reference Index
Part NumberManufacturer
0121A0025 PRIMARY Lockheed Martin Corporation Div Rms (USA)
11/1439 Lcr Electronics, Inc Div Lcr Electronics, Inc. Dba Astrodyne Tdi Emi Filters Bu (USA)
0121A0025-1 Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems (USA)
Related Parts
4820-00-236-2650INTERCHANGEABLE
SLEEVE,DIRECTIONAL CONTROL LINEA
111439
1730-00-568-0654INTERCHANGEABLE
FITTING ASSY,MAIN F
111439-1
1730-00-568-0655INTERCHANGEABLE
FITTING ASSY,FRAME
111439-2
1730-00-927-8073INTERCHANGEABLE
FITTING,TRAILER
111439-6

Frequently Asked Questions

What is NSN 5915-01-356-4195?

NSN 5915-01-356-4195 is a Filter,radio Frequency Interfere, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5915 (No Item Name Available). Status: active.

What are the part numbers for NSN 5915-01-356-4195?

NSN 5915-01-356-4195 has 3 cross-referenced part numbers: 0121A0025 (Lockheed Martin Corporation Div Rms), 11/1439 (Lcr Electronics, Inc Div Lcr Electronics, Inc. Dba Astrodyne Tdi Emi Filters Bu), 0121A0025-1 (Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems).

What NSN replaces 5915-01-356-4195?

There are 4 known substitutes for 5915-01-356-4195: 4820-00-236-2650, 1730-00-568-0654, 1730-00-568-0655 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0121A0025?

Key specifications for 0121A0025: Style Designator: RECTANGULAR TERMINAL/TERMINALS ON TWO SURFACES; Mounting Facility Screw Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Body Width: 1.750 INCHES NOMINAL IN; Nominal Thread Size: 0.138 INCHES IN. 29 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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