The Filter,band Pass, cataloged under National Stock Number 5915-01-043-1964, 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 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5915-01-043-1964 |
| Primary Part Number | 4B120-157.8/36-SX |
| Item Name | Filter,band Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | K&l Microwave Llc |
| Status | ACTIVE |
| Reference Frequency Per Function | 157.7 MEGAHERTZ SINGLE BAND PASS LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Type and Quantity | 2 CONNECTOR LOCATION NOT OTHERWISE SPECIFIED |
| Voltage Standing Wave Ratio Per Function | 1.5 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | ENCASED |
| Body Outside Diameter | 0.500 INCHES NOMINAL IN |
| Source Impedance Rating Per Function | 50.0 OHMS SINGLE BAND PASS LOCATION NOT OTHERWISE SPECIFIED |
| Style Designator | ROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Voltage Standing Wave Ratio Frequency Limits Per Function | 143.35 MEGAHERTZ BLANK AND 172.15 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Input Impedance Per Function W/load | 50.0 OHMS SINGLE BAND PASS LOCATION NOT OTHERWISE SPECIFIED |
| Frequency Band Width Per Function | 143.35 MEGAHERTZ SINGLE BAND PASS AND 172.15 MEGAHERTZ SINGLE BAND PASS LOCATION NOT OTHERWISE SPECIFIED |
| Insertion Loss at Reference Frequency Per Function in Decibels | 0.8 SINGLE BAND PASS LOCATION NOT OTHERWISE SPECIFIED |
| Output Impedance Per Function W/source Across Input | 50.0 OHMS SINGLE BAND PASS LOCATION NOT OTHERWISE SPECIFIED |
| Load Impedance Per Function | 50.0 OHMS SINGLE BAND PASS 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 |
|---|---|
| 4B120-157.8/36-SX | K&l Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| 3340025-001 | 3/2 Design control — primary reference U.S. Government activity |
| X4BC157.8/36-QQ | 5/9 Secondary reference Trilithic, Inc. |
NSN 5915-01-043-1964 is a Filter,band Pass, manufactured by K&l Microwave Llc, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-043-1964 has 1 manufacturer part number on file: 4B120-157.8/36-SX (K&l Microwave Llc).
Key specifications for 4B120-157.8/36-SX: Reference Frequency Per Function: 157.7 MEGAHERTZ SINGLE BAND PASS LOCATION NOT OTHERWISE SPECIFIED; Mounting Facility Type and Quantity: 2 CONNECTOR LOCATION NOT OTHERWISE SPECIFIED; Voltage Standing Wave Ratio Per Function: 1.5 BLANK LOCATION NOT OTHERWISE SPECIFIED; Inclosure Type: ENCASED. 13 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 5915-01-043-1964 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.