The Filter,radio Frequency Interfere, cataloged under National Stock Number 5915-01-268-2604, 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. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 — Filters and Networks (FSG 59) |
| Manufacturers | K&l Microwave Llc (CAGE 50140) |
| Parameter | Value |
|---|---|
| NSN | 5915-01-268-2604 |
| Primary Part Number | 4B120-60/5-B |
| Item Name | Filter,radio Frequency Interfere |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | K&l Microwave Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 4B120-60/5-B PRIMARY | K&l Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| 0127 | 5/9 Secondary reference Drs Training & Control Systems, Llc Dba Leonardo Drs Training & Control Systems, Llc Div Range, Control and Unmanned Systems |
NSN 5915-01-268-2604 is a Filter,radio Frequency Interfere, manufactured by K&l Microwave Llc, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-01-268-2604 has 1 manufacturer part number on file: 4B120-60/5-B (K&l Microwave Llc).
1 possible match (shared part number, not a government interchangeability claim): 7930-01-706-8303. Verify interchangeability with system specifications before substitution.
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.