The Filter,band Pass, cataloged under National Stock Number 5915-01-231-1953, 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 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-01-231-1953 |
| Primary Part Number | MB3IB20-60/8.0-P/P |
| Item Name | Filter,band Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | K&l Microwave Llc |
| Status | ACTIVE |
| Maximum Dielectric Withstanding DC Voltage | 20.0 VOLTS AT SEA LEVEL |
| Reference Frequency Per Function | 60.0 MEGAHERTZ BLANK ALL FUNCTIONS |
| Mounting Facility Type and Quantity | 6 TERMINAL ALL FUNCTIONS |
| Voltage Standing Wave Ratio Per Function | 1.5 BLANK ALL FUNCTIONS |
| Inclosure Type | ENCASED |
| Average Power Rating Per Function | 1.0 WATTS BLANK ALL FUNCTIONS |
| Functional Terminal Type and Quantity | 1 PIN INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 1 PIN OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 4 PIN GROUND THIRD FUNCTION |
| Source Impedance Rating Per Function | 50.0 OHMS BLANK ALL FUNCTIONS |
| Vibration Resistance Range in Hertz | +10.0 TO 2000.0 |
| Body Width | 0.500 INCHES NOMINAL IN |
| Body Height | 0.500 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE |
| Body Material | METAL |
| Body Length | 1.000 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio Frequency Limits Per Function | 56.0 MEGAHERTZ BLANK AND 64.0 MEGAHERTZ BLANK ALL FUNCTIONS |
| Discrimination at Specified Frequencies Per Function in Decibels | 40.0 MINIMUM BLANK AND 3.0 MAXIMUM BLANK ALL FUNCTIONS |
| Principal Circuitry Type Per Function | INDUCTANCE-CAPACITANCE BLANK ALL FUNCTIONS |
| Frequency Band Width Per Function | 56.00 MEGAHERTZ BLANK AND 64.00 MEGAHERTZ BLANK ALL FUNCTIONS |
| Insertion Loss at Reference Frequency Per Function in Decibels | 1.7 BLANK ALL FUNCTIONS |
| Load Impedance Per Function | 50.0 OHMS BLANK ALL FUNCTIONS |
| Specified Frequencies of Discrimination Per Function | 37.50 MEGAHERTZ BLANK AND 56.00 MEGAHERTZ BLANK AND 64.00 MEGAHERTZ BLANK AND 82.50 MEGAHERTZ BLANK ALL FUNCTIONS |
| Average Life Rating in Hours | 20000.0 |
| 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 |
|---|---|
| MB3IB20-60/8.0-P/P | K&l Microwave Llc (USA) |
| 31286-4SF | Wavetek Rf Products, Inc (USA) |
| Reference | Meaning |
|---|---|
| 2859504-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5915-01-231-1953 is a Filter,band Pass, manufactured by K&l Microwave Llc, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-231-1953 has 2 manufacturer part numbers on file: MB3IB20-60/8.0-P/P (K&l Microwave Llc), 31286-4SF (Wavetek Rf Products, Inc).
Key specifications for MB3IB20-60/8.0-P/P: Maximum Dielectric Withstanding DC Voltage: 20.0 VOLTS AT SEA LEVEL; Reference Frequency Per Function: 60.0 MEGAHERTZ BLANK ALL FUNCTIONS; Mounting Facility Type and Quantity: 6 TERMINAL ALL FUNCTIONS; Overall Height: 0.620 INCHES NOMINAL IN. 24 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 5915-01-231-1953 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.