The Filter,band Pass, cataloged under National Stock Number 5915-01-073-2420, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is K&l Microwave Llc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-073-2420 |
| Primary Part Number | 3C20-400-4-9-0 |
| Item Name | Filter,band Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | K&l Microwave Llc |
| Status | ACTIVE |
| Reference Frequency Per Function | 400.0 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Type and Quantity | 2 TERMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Voltage Standing Wave Ratio Per Function | 1.5 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | ENCASED |
| Average Power Rating Per Function | 15.0 WATTS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Functional Terminal Type and Quantity | 1 CONNECTOR, RECEPTACLE OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 1 CONNECTOR, RECEPTACLE INPUT FIRST FUNCTION |
| Body Width | 1.500 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Body Material | METAL |
| Voltage Standing Wave Ratio Frequency Limits Per Function | 398.0 MEGAHERTZ BLANK AND 402.0 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
| Frequency Band Width Per Function | 398.00 MEGAHERTZ BLANK AND 402.00 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Temp Range | -20.0 TO 50.0 CELSIUS DEGC |
| Insertion Loss at Reference Frequency Per Function in Decibels | 1.4 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 | 396.00 MEGAHERTZ BLANK AND 398.00 MEGAHERTZ BLANK AND 402.00 MEGAHERTZ BLANK AND 406.00 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3C20-400-4-9-0 PRIMARY | K&l Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| C400-4-3SS | 5/9 Secondary reference Spectrum Fsy Microwave, Inc. Div Api Technologies - Spectrum Microwave |
NSN 5915-01-073-2420 is a Filter,band Pass, manufactured by K&l Microwave Llc, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-073-2420 has 1 manufacturer part number on file: 3C20-400-4-9-0 (K&l Microwave Llc).
Key specifications for 3C20-400-4-9-0: Reference Frequency Per Function: 400.0 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED; Mounting Facility Type and Quantity: 2 TERMINAL LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 1.875 INCHES NOMINAL IN; Voltage Standing Wave Ratio Per Function: 1.5 BLANK LOCATION NOT OTHERWISE SPECIFIED. 18 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.
NSN 5915-01-073-2420 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.