The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-01-388-2952, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Frequency Electronics Inc. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Frequency Electronics Inc (CAGE 14844); L3harris Technologies, Inc. Dba Harris Div L3harris Technologies Inc Dba Harris Corporation (CAGE 66948); Ryt Industries Inc Filtronics Div (CAGE 53347) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-388-2952 |
| Primary Part Number | ASI 4080 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frequency Electronics Inc |
| 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 |
|---|---|
| ASI 4080 | Frequency Electronics Inc (USA) |
| F0865-90-C-0035 | L3harris Technologies, Inc. Dba Harris Div L3harris Technologies Inc Dba Harris Corporation (USA) |
| 202614 | Ryt Industries Inc Filtronics Div (USA) |
| Reference | Meaning |
|---|---|
| 654VE4842-660 | 7/2 Vendor item drawing reference U.S. Government activity |
| T-604S06 | 3/9 Design control — primary reference Mercury Systems Inc Dba Mce |
NSN 5985-01-388-2952 is a Isolator,radio Frequency Reflect, manufactured by Frequency Electronics Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-388-2952 has 3 manufacturer part numbers on file: ASI 4080 (Frequency Electronics Inc), F0865-90-C-0035 (L3harris Technologies, Inc. Dba Harris Div L3harris Technologies Inc Dba Harris Corporation), 202614 (Ryt Industries Inc Filtronics Div).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-450-5808, 4240-01-566-8127. 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.