The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-01-160-1246, 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 Frontgrade Technologies Inc.. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5985-01-160-1246 |
| Primary Part Number | 339116 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Document Type | FEDERAL SPECIFICATION |
| Frequency Range Rating | +0.9 TO 1.2 GIGAHERTZ |
| Document Identification | MIL-D-100A A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 339116 PRIMARY | Frontgrade Technologies Inc. (USA) |
| T-0S23T-3 PRIMARY | Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions (USA) |
| AMF-5550 | Frequency Electronics Inc (USA) |
| Reference | Meaning |
|---|---|
| 2JC8565-U | 5/9 Secondary reference Crane Electronics, Inc. Dba Stc Microwave Systems Div Signal Technology Corporation |
| AMF-5550 | 5/9 Secondary reference Fei Microwave Inc |
| 339116 | 5/9 Secondary reference U.S. Government activity |
| 712455-1 | 7/2 Vendor item drawing reference Raytheon Company Div Rmd Strategic |
| 339116 | 5/9 Secondary reference Atlantic Microwave Corporation Div Cobham Electronic Systems |
NSN 5985-01-160-1246 is a Isolator,radio Frequency Reflect, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-160-1246 has 3 manufacturer part numbers on file: 339116 (Frontgrade Technologies Inc.), T-0S23T-3 (Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions), AMF-5550 (Frequency Electronics Inc).
1 possible match (shared part number, not a government interchangeability claim): 6220-01-435-8065. Verify interchangeability with system specifications before substitution.
Key specifications for 339116: Overall Height: 1.400 INCHES NOMINAL IN; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Document Type: FEDERAL SPECIFICATION; Overall Length: 2.750 INCHES NOMINAL IN. 4 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 5985-01-160-1246 has DEMIL Code B. 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.