PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F-197/UFilter,band Pass

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5915-00-281-0255 · FSC 5915 · No Item Name Available
Verified by PartsTable
NSN 5915-00-281-0255 — this item is cataloged by the U.S. Government under National Stock Number 5915-00-281-0255. Primary manufacturer part number: F-197/U.
Features
  • Filter,band Pass — FSC 5915
  • Unthreaded Mounting Hole Diameter: 0.257 INCHES NOMINAL IN
  • Output Impedance Per Function W/source Across Input: 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
  • Functional Terminal Type and Quantity: 1 CONNECTOR, PLUG OUTPUT SECOND FUNCTION
  • Reference Frequency Per Function: 215.5 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
  • Test Data Document: 81349-MIL-F-14136 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Frequency Band Width Per Function: 205.00 MEGAHERTZ BLANK AND 226.00 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
  • Functional Terminal Type and Quantity: 1 CONNECTOR, PLUG INPUT FIRST FUNCTION
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter,band Pass, cataloged under National Stock Number 5915-00-281-0255, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 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
NSN5915-00-281-0255
Primary Part NumberF-197/U
Item NameFilter,band Pass
FSC / FSG5915 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Unthreaded Mounting Hole Diameter0.257 INCHES NOMINAL IN
Output Impedance Per Function W/source Across Input50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Functional Terminal Type and Quantity1 CONNECTOR, PLUG OUTPUT SECOND FUNCTION
Reference Frequency Per Function215.5 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
Test Data Document81349-MIL-F-14136 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Frequency Band Width Per Function205.00 MEGAHERTZ BLANK AND 226.00 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
Functional Terminal Type and Quantity1 CONNECTOR, PLUG INPUT FIRST FUNCTION
Insertion Loss at Reference Frequency Per Function in Decibels1.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
Discrimination at Specified Frequencies Per Function in Decibels37.0 MINIMUM BLANK AND 1.0 MAXIMUM BLANK AND 38.0 MINIMUM BLANK FIRST FUNCTION
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
Specification/standard Data81349-MIL-F-14136B/SIGC/ GOVERNMENT SPECIFICATION
Specified Frequencies of Discrimination Per Function200.00 MEGAHERTZ BLANK AND 205.00 MEGAHERTZ BLANK AND 226.00 MEGAHERTZ BLANK AND 227.50 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
Style DesignatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
Body Height9.922 INCHES NOMINAL IN
Inclosure TypeUNINCLOSED
Input Impedance Per Function W/load50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Body Length4.437 INCHES NOMINAL IN
Distance Between Centerlines of Mounting Facilities Parallel to Body Width5.563 INCHES NOMINAL IN
Body Width2.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5915-00-281-0253 INTERCHANGEABLE
Filter,band Pass
5915-00-281-0254 INTERCHANGEABLE
Filter,band Pass
5915-00-281-0256 INTERCHANGEABLE
Filter,band Pass
5915-00-281-0257 INTERCHANGEABLE
Filter,band Pass
5915-00-281-0258 INTERCHANGEABLE
Filter,band Pass
5915-00-281-0259 INTERCHANGEABLE
Filter,band Pass
5915-00-281-0260 INTERCHANGEABLE
Filter,band Pass
5915-00-281-0269 INTERCHANGEABLE
Filter,band Pass
5915-00-281-0270 INTERCHANGEABLE
Filter,band Pass
5915-00-281-0271 INTERCHANGEABLE
Filter,band Pass
Cross-Reference Index
Part NumberManufacturer
F-197/U Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-14136 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SC-DL-66606 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
SC-D-66607 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
GS55174DRAWINGSC-D-66607 American Telephone and Telegraph Co (USA)
GS55174DRAWINGSC-D-66607 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
5915-00-281-0253INTERCHANGEABLE
FILTER,BAND PASS
5915-00-281-0254INTERCHANGEABLE
FILTER,BAND PASS
5915-00-281-0256INTERCHANGEABLE
FILTER,BAND PASS
5915-00-281-0257INTERCHANGEABLE
FILTER,BAND PASS
5915-00-281-0258INTERCHANGEABLE
FILTER,BAND PASS
5915-00-281-0259INTERCHANGEABLE
FILTER,BAND PASS
5915-00-281-0260INTERCHANGEABLE
FILTER,BAND PASS
5915-00-281-0269INTERCHANGEABLE
FILTER,BAND PASS
5915-00-281-0270INTERCHANGEABLE
FILTER,BAND PASS
5915-00-281-0271INTERCHANGEABLE
FILTER,BAND PASS
5915-00-281-0276INTERCHANGEABLE
FILTER,BAND PASS
5915-00-537-7363INTERCHANGEABLE
FILTER,BAND PASS

Frequently Asked Questions

What is NSN 5915-00-281-0255?

NSN 5915-00-281-0255 is a Filter,band Pass, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5915 (No Item Name Available). Status: active.

What are the part numbers for NSN 5915-00-281-0255?

NSN 5915-00-281-0255 has 6 cross-referenced part numbers: F-197/U (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-F-14136 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), SC-DL-66606 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), SC-D-66607 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), GS55174DRAWINGSC-D-66607 (American Telephone and Telegraph Co) and 1 more.

What NSN replaces 5915-00-281-0255?

There are 12 known substitutes for 5915-00-281-0255: 5915-00-281-0253, 5915-00-281-0254, 5915-00-281-0256 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F-197/U?

Key specifications for F-197/U: Unthreaded Mounting Hole Diameter: 0.257 INCHES NOMINAL IN; Output Impedance Per Function W/source Across Input: 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED; Functional Terminal Type and Quantity: 1 CONNECTOR, PLUG OUTPUT SECOND FUNCTION; Reference Frequency Per Function: 215.5 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED. 22 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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