PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2921066-78Filter,band Pass

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5915-00-478-3271 · FSC 5915 · No Item Name Available
Verified by PartsTable
NSN 5915-00-478-3271 — this item is cataloged by the U.S. Government under National Stock Number 5915-00-478-3271. Primary manufacturer part number: 2921066-78.
Features
  • Filter,band Pass — FSC 5915
  • Vibration Resistance Range in Hertz: +5.0 TO 25.0
  • Functional Terminal Type and Quantity: 1 SOLDER STUD OUTPUT SECOND FUNCTION
  • Nominal Thread Size: 0.164 INCHES IN
  • Inclosure Type: HERMETICALLY SEALED
  • Distance Between Centerlines of Mounting Facilities Parallel to Body Width: 0.875 INCHES NOMINAL IN
  • Input Terminal Identification: 131-0138-0001
  • Discrimination at Specified Frequencies Per Function in Decibels: 3.0 MINIMUM BLANK AND 60.0 MAXIMUM BLANK LOCATION NOT OTHERWISE SPECIFIED
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter,band Pass, cataloged under National Stock Number 5915-00-478-3271, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 28 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
NSN5915-00-478-3271
Primary Part Number2921066-78
Item NameFilter,band Pass
FSC / FSG5915 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Vibration Resistance Range in Hertz+5.0 TO 25.0
Functional Terminal Type and Quantity1 SOLDER STUD OUTPUT SECOND FUNCTION
Nominal Thread Size0.164 INCHES IN
Inclosure TypeHERMETICALLY SEALED
Distance Between Centerlines of Mounting Facilities Parallel to Body Width0.875 INCHES NOMINAL IN
Input Terminal Identification131-0138-0001
Discrimination at Specified Frequencies Per Function in Decibels3.0 MINIMUM BLANK AND 60.0 MAXIMUM BLANK LOCATION NOT OTHERWISE SPECIFIED
Body Surface TreatmentTIN
Principal Circuitry Type Per FunctionINDUCTANCE-CAPACITANCE BLANK LOCATION NOT OTHERWISE SPECIFIED
Source Impedance Rating Per Function1.0 KILOHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Body Length1.656 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN
Body Width1.156 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
Distance Between Centerlines of Mounting Facilities Parallel to Body Length2.188 INCHES NOMINAL IN
Body Height2.940 INCHES NOMINAL IN
Frequency Band Width Per Function2.0325 MEGAHERTZ BLANK AND 2.0335 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
Insertion Loss at Reference Frequency Per Function in Decibels3.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
Distance Between Mounting Surface and Lower End1.060 INCHES NOMINAL IN
Load Impedance Per Function1.0 KILOHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Operating Temp Range-55.0 TO 85.0 CELSIUS DEGC
Specified Frequencies of Discrimination Per Function2.032 MEGAHERTZ BLANK AND 2.0325 MEGAHERTZ BLANK AND 2.0335 MEGAHERTZ BLANK AND 2.034 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
Features ProvidedMOISTURE RESISTANT AND SHOCK RESISTANT
Mounting Facility Type and Quantity2 CAPTIVE SCREW(S) LOCATION NOT OTHERWISE SPECIFIED
Style DesignatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
Input Terminal Manufacturer Code98278
Mounting Facility Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Reference Frequency Per Function2.033 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
Functional Terminal Type and Quantity1 CONNECTOR, RECEPTACLE INPUT FIRST FUNCTION
Body MaterialMETAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4910-00-195-2177 INTERCHANGEABLE
Gauge Set,turning Radius
2915-00-916-9787714865 INTERCHANGEABLE
Cable Assy,electric
Unison Industries Llc
Cross-Reference Index
Part NumberManufacturer
F12674-78 Cts Reeves Frequency Products (USA)
562385-78 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
2921066-078 Naval Sea Systems Command (USA)
641-78 Frequency Selective Networks, Inc. Dba Frequency Selective Networks Inc (USA)
2921066-78 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
4910-00-195-2177INTERCHANGEABLE
GAUGE SET,TURNING RADIUS
2915-00-916-9787INTERCHANGEABLE
CABLE ASSY,ELECTRIC
714865

Frequently Asked Questions

What is NSN 5915-00-478-3271?

NSN 5915-00-478-3271 is a Filter,band Pass, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5915 (No Item Name Available). Status: active.

What are the part numbers for NSN 5915-00-478-3271?

NSN 5915-00-478-3271 has 5 cross-referenced part numbers: F12674-78 (Cts Reeves Frequency Products), 562385-78 (Lockheed Martin Corporation Div Rms - Mitchel Field), 2921066-078 (Naval Sea Systems Command), 641-78 (Frequency Selective Networks, Inc. Dba Frequency Selective Networks Inc), 2921066-78 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5915-00-478-3271?

There are 2 known substitutes for 5915-00-478-3271: 4910-00-195-2177, 2915-00-916-9787. Verify interchangeability with system specifications before substitution.

What are the specifications of 2921066-78?

Key specifications for 2921066-78: Vibration Resistance Range in Hertz: +5.0 TO 25.0; Overall Height: 3.630 INCHES NOMINAL IN; Functional Terminal Type and Quantity: 1 SOLDER STUD OUTPUT SECOND FUNCTION; Nominal Thread Size: 0.164 INCHES IN. 30 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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