PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RF3291-6Filter,radio Frequency Interfere

Ems Development Corporation Dba Ems Development Corp · NSN 5915-01-027-8158 · FSC 5915 · No Item Name Available
Verified by PartsTable
NSN 5915-01-027-8158 — this item is cataloged by the U.S. Government under National Stock Number 5915-01-027-8158. Primary manufacturer part number: RF3291-6.
Features
  • Filter,radio Frequency Interfere — FSC 5915
  • Unthreaded Mounting Hole Diameter: 0.187 INCHES NOMINAL IN
  • Unpackaged Unit Weight: 1.500 POUNDS NOMINAL LBS
  • Load Impedance Per Function: 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
  • Style Designator: RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
  • Source Impedance Rating Per Function: 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
  • Body Surface Treatment: TIN
  • Operating Voltage Rating and Type Per Function: 250.0 VOLTS AC BLANK AND 600.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-027-8158, 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 Ems Development Corporation Dba Ems Development Corp. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 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
NSN5915-01-027-8158
Primary Part NumberRF3291-6
Item NameFilter,radio Frequency Interfere
FSC / FSG5915 / 59 — No Item Name Available
ManufacturerEms Development Corporation Dba Ems Development Corp
StatusACTIVE
Unthreaded Mounting Hole Diameter0.187 INCHES NOMINAL IN
Unpackaged Unit Weight1.500 POUNDS NOMINAL LBS
Load Impedance Per Function50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Style DesignatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
Source Impedance Rating Per Function50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Body Surface TreatmentTIN
Operating Voltage Rating and Type Per Function250.0 VOLTS AC BLANK AND 600.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED
Maximum Voltage Drop Per Function500.0 MILLIVOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED
Functional Terminal Type and Quantity1 THREADED STUD INPUT FIRST FUNCTION
Principal Circuitry Type Per FunctionINDUCTANCE-CAPACITANCE-RESISTANCE BLANK LOCATION NOT OTHERWISE SPECIFIED
Power Line Frequency Rating Per Function in Hertz400.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
Inclosure TypeHERMETICALLY SEALED
Body Width2.500 INCHES NOMINAL IN
Distance Between Centerlines of Mounting Facilities Parallel to Body Length2.970 INCHES NOMINAL IN
Maximum Dielectric Withstanding DC Voltage1.2 KILOVOLTS AT SEA LEVEL
Maximum Temp Rise25.0 CELSIUS DEGC
Operating Temp Range-55.0 TO 85.0 CELSIUS DEGC
Body MaterialMETAL
Mounting Facility Type and Quantity1 UNTHREADED HOLE(S) FIRST FUNCTION
Body Height1.750 INCHES NOMINAL IN
Functional Terminal Type and Quantity1 THREADED STUD OUTPUT SECOND FUNCTION
Mounting Facility Type and Quantity3 THREADED STUD(S) SECOND FUNCTION
Operating Current Rating Per Function in Amps15.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
Nominal Thread Size0.138 INCHES IN
Body Length2.750 INCHES NOMINAL IN
Mounting Facility Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-155-64791319 INTERCHANGEABLE
Bearing,ball,annular
Federal-Mogul Corp Government Sales Dept
4820-00-287-408916553 INTERCHANGEABLE
Valve,safety Relief
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
5945-00-643-6376GA2A15-44 INTERCHANGEABLE
Relay,electromagnetic
Relays Inc
7025-01-470-3709AS171-BK INTERCHANGEABLE
Display Unit
Cd & T Logistics Inc Dba Cd & T Logistics Inc
Cross-Reference Index
Part NumberManufacturer
RF3291-6 Ems Development Corporation Dba Ems Development Corp (USA)
FL0-914 Gulton Industries Inc Gudeman Div (USA)
FA5012-6K Filtron Co Inc Div of Rfi Corp (USA)
1603496 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
M1438 Mtk Electronics Inc (USA)
6B251 Sora Power Inc. Dba Sora Power Inc (USA)
Related Parts
3110-00-155-6479INTERCHANGEABLE
BEARING,BALL,ANNULAR
1319
4820-00-287-4089INTERCHANGEABLE
VALVE,SAFETY RELIEF
16553
5945-00-643-6376INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
GA2A15-44
7025-01-470-3709INTERCHANGEABLE
DISPLAY UNIT
AS171-BK

Frequently Asked Questions

What is NSN 5915-01-027-8158?

NSN 5915-01-027-8158 is a Filter,radio Frequency Interfere, manufactured by Ems Development Corporation Dba Ems Development Corp, classified under FSC 5915 (No Item Name Available). Status: active.

What are the part numbers for NSN 5915-01-027-8158?

NSN 5915-01-027-8158 has 6 cross-referenced part numbers: RF3291-6 (Ems Development Corporation Dba Ems Development Corp), FL0-914 (Gulton Industries Inc Gudeman Div), FA5012-6K (Filtron Co Inc Div of Rfi Corp), 1603496 (Lockheed Martin Corporation Div Rms - Mitchel Field), M1438 (Mtk Electronics Inc) and 1 more.

What NSN replaces 5915-01-027-8158?

There are 4 known substitutes for 5915-01-027-8158: 3110-00-155-6479, 4820-00-287-4089, 5945-00-643-6376 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RF3291-6?

Key specifications for RF3291-6: Unthreaded Mounting Hole Diameter: 0.187 INCHES NOMINAL IN; Unpackaged Unit Weight: 1.500 POUNDS NOMINAL LBS; Overall Length: 4.572 INCHES MAXIMUM IN; Load Impedance Per Function: 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED. 27 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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