PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51-311-320Filter,radio Frequency Interfere

Spectrum Control Inc · NSN 5915-01-159-0117 · FSC 5915 · No Item Name Available
Verified by PartsTable
NSN 5915-01-159-0117 — this item is cataloged by the U.S. Government under National Stock Number 5915-01-159-0117. Primary manufacturer part number: 51-311-320.
Features
  • Filter,radio Frequency Interfere — FSC 5915
  • Nominal Thread Size: 0.250 INCHES IN
  • Mounting Facility Type and Quantity: 1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED
  • Inclosure Type: HERMETICALLY SEALED
  • Functional Terminal Type and Quantity: 1 TAB, SOLDER LUG INPUT FIRST FUNCTION
  • Source Impedance Rating Per Function: 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
  • Mounting Facility Screw Thread Series Designator: UNF
  • Functional Terminal Type and Quantity: 1 TAB, SOLDER LUG OUTPUT 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 5915-01-159-0117, 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 Spectrum Control Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5915-01-159-0117
Primary Part Number51-311-320
Item NameFilter,radio Frequency Interfere
FSC / FSG5915 / 59 — No Item Name Available
ManufacturerSpectrum Control Inc
StatusACTIVE
Nominal Thread Size0.250 INCHES IN
Mounting Facility Type and Quantity1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED
Inclosure TypeHERMETICALLY SEALED
Functional Terminal Type and Quantity1 TAB, SOLDER LUG INPUT FIRST FUNCTION
Source Impedance Rating Per Function50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Mounting Facility Screw Thread Series DesignatorUNF
Functional Terminal Type and Quantity1 TAB, SOLDER LUG OUTPUT SECOND FUNCTION
Principal Circuitry Type Per FunctionINDUCTANCE-CAPACITANCE BLANK LOCATION NOT OTHERWISE SPECIFIED
Style DesignatorROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES
Operating Voltage Rating and Type Per Function150.0 VOLTS DC BLANK LOCATION NOT OTHERWISE SPECIFIED
Average Life Rating in Hours1000.0
Body Length0.628 INCHES NOMINAL IN
Vibration Resistance Range in Hertz+10.0 TO 2000.0
Body Outside Diameter0.410 INCHES MAXIMUM IN
Operating Current Rating Per Function in Amps1.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
Maximum Dielectric Withstanding DC Voltage300.0 VOLTS AT SEA LEVEL
Load Impedance Per Function50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Operating Temp Range-55.0 TO 85.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5915-00-236-80629001-100-1013A INTERCHANGEABLE
Filter,radio Frequency Interfere
Spectrum Control, Inc.
5305-01-705-6492FS-01378-88 INTERCHANGEABLE
Screw,cap,socket Head
Hdt Expeditionary Systems Inc
Cross-Reference Index
Part NumberManufacturer
51-311-320 Spectrum Control Inc (USA)
SC/A4/48267 Babcock Communications Limited (GBR)
SC/A4/48267 Raytheon Systems Ltd (GBR)
9001-100-1013 Spectrum Control Ltd Div Api Microelectronics Ltd (GBR)
9001-100-1013 C-Mac Microcircuits Ltd (GBR)
Related Parts
5915-00-236-8062INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
9001-100-1013A
5305-01-705-6492INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
FS-01378-88

Frequently Asked Questions

What is NSN 5915-01-159-0117?

NSN 5915-01-159-0117 is a Filter,radio Frequency Interfere, manufactured by Spectrum Control Inc, classified under FSC 5915 (No Item Name Available). Status: active.

What are the part numbers for NSN 5915-01-159-0117?

NSN 5915-01-159-0117 has 5 cross-referenced part numbers: 51-311-320 (Spectrum Control Inc), SC/A4/48267 (Babcock Communications Limited), SC/A4/48267 (Raytheon Systems Ltd), 9001-100-1013 (Spectrum Control Ltd Div Api Microelectronics Ltd), 9001-100-1013 (C-Mac Microcircuits Ltd).

What NSN replaces 5915-01-159-0117?

There are 2 known substitutes for 5915-01-159-0117: 5915-00-236-8062, 5305-01-705-6492. Verify interchangeability with system specifications before substitution.

What are the specifications of 51-311-320?

Key specifications for 51-311-320: Nominal Thread Size: 0.250 INCHES IN; Mounting Facility Type and Quantity: 1 THREADED BUSHING LOCATION NOT OTHERWISE SPECIFIED; Inclosure Type: HERMETICALLY SEALED; Functional Terminal Type and Quantity: 1 TAB, SOLDER LUG INPUT FIRST FUNCTION. 19 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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