The Filter,band Pass, cataloged under National Stock Number 5915-01-137-6439, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Frequency Selective Networks, Inc. Dba Frequency Selective Networks Inc. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-137-6439 |
| Primary Part Number | FS1376-439 |
| Item Name | Filter,band Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Frequency Selective Networks, Inc. Dba Frequency Selective Networks Inc |
| Status | ACTIVE |
| Reference Frequency Per Function | 71.4 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Type and Quantity | 4 TERMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | ENCASED |
| Functional Terminal Type and Quantity | 1 PIN INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 2 PIN GROUND THIRD FUNCTION |
| Functional Terminal Type and Quantity | 1 PIN OUTPUT SECOND FUNCTION |
| Vibration Resistance Range in Hertz | +10.0 TO 55.0 |
| Body Width | 0.535 INCHES NOMINAL IN |
| Body Height | 0.625 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE |
| Body Material | METAL |
| Body Length | 2.500 INCHES NOMINAL IN |
| Input Impedance Per Function W/load | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Discrimination at Specified Frequencies Per Function in Decibels | 50.0 MINIMUM BLANK AND 3.0 MAXIMUM BLANK FIRST FUNCTION |
| Principal Circuitry Type Per Function | CRYSTAL BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Frequency Band Width Per Function | 71.3905 MEGAHERTZ BLANK AND 71.4095 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Temp Range | -30.0 TO 80.0 CELSIUS DEGC |
| Insertion Loss at Reference Frequency Per Function in Decibels | 4.5 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Output Impedance Per Function W/source Across Input | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Specified Frequencies of Discrimination Per Function | 71.36 MEGAHERTZ BLANK AND 71.3905 MEGAHERTZ BLANK AND 71.4095 MEGAHERTZ BLANK AND 71.44 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| FS1376-439 | Frequency Selective Networks, Inc. Dba Frequency Selective Networks Inc (USA) |
| 4744-PYB-71.4 MHZ | Piezo Technology Incorporated Dba Piezo Technology Inc (USA) |
| Reference | Meaning |
|---|---|
| 5054976-1 | 3/9 Design control — primary reference Signals Warfare Project Manager |
| F18844 | 5/2 Secondary reference U.S. Government activity |
NSN 5915-01-137-6439 is a Filter,band Pass, manufactured by Frequency Selective Networks, Inc. Dba Frequency Selective Networks Inc, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-137-6439 has 2 manufacturer part numbers on file: FS1376-439 (Frequency Selective Networks, Inc. Dba Frequency Selective Networks Inc), 4744-PYB-71.4 MHZ (Piezo Technology Incorporated Dba Piezo Technology Inc).
Key specifications for FS1376-439: Reference Frequency Per Function: 71.4 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED; Mounting Facility Type and Quantity: 4 TERMINAL LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 0.750 INCHES NOMINAL IN; Inclosure Type: ENCASED. 20 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.