The Filter,band Pass, cataloged under National Stock Number 5915-01-265-8112, 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 25 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-265-8112 |
| Primary Part Number | 3B250-4000/350-0/0 |
| Item Name | Filter,band Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | K&l Microwave Llc |
| Status | ACTIVE |
| Reference Frequency Per Function | 4.0 GIGAHERTZ 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 | 2.0 WATTS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Output Terminal Identification | SMA-RECEPTACLE |
| Functional Terminal Type and Quantity | 1 CONNECTOR, RECEPTACLE OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 1 CONNECTOR, RECEPTACLE INPUT FIRST FUNCTION |
| Body Outside Diameter | 0.250 INCHES NOMINAL IN |
| Source Impedance Rating Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Vibration Resistance Range in Hertz | +5.0 TO 2000.0 |
| Output Terminal Manufacturer Code | 50140 |
| Style Designator | ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Body Material | METAL |
| Body Length | 0.600 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio Frequency Limits Per Function | 3.825 GIGAHERTZ BLANK AND 4.175 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Input Terminal Manufacturer Code | 50140 |
| Discrimination at Specified Frequencies Per Function in Decibels | 28.0 MINIMUM BLANK AND 3.0 MAXIMUM BLANK AND 42.0 MINIMUM BLANK FIRST FUNCTION |
| Principal Circuitry Type Per Function | INDUCTANCE-CAPACITANCE BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Frequency Band Width Per Function | 3.825 GIGAHERTZ BLANK AND 4.175 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Input Terminal Identification | SMA-RECEPTACLE |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Insertion Loss at Reference Frequency Per Function in Decibels | 1.2 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Load Impedance Per Function | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Specified Frequencies of Discrimination Per Function | 3.65 GIGAHERTZ BLANK AND 3.825 GIGAHERTZ BLANK AND 4.175 GIGAHERTZ BLANK AND 4.35 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3B250-4000/350-0/0 PRIMARY | K&l Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| 41-057806-01 | 5/9 Secondary reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
| 3B250-4000/350-0 | C/1 Advisory reference — outside the item-of-supply concept K&l Microwave Llc |
NSN 5915-01-265-8112 is a Filter,band Pass, manufactured by K&l Microwave Llc, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-265-8112 has 1 manufacturer part number on file: 3B250-4000/350-0/0 (K&l Microwave Llc).
Key specifications for 3B250-4000/350-0/0: Reference Frequency Per Function: 4.0 GIGAHERTZ 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. 25 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 5915-01-265-8112 has DEMIL Code D. 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.