The Diplexer, cataloged under National Stock Number 5985-01-601-8722, 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.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-601-8722 |
| Primary Part Number | 70159-519 |
| Item Name | Diplexer |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| D470-115 | Microwave Engineering Corporation (USA) |
| 70159-519 PRIMARY | Frontgrade Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 70159-519 | 5/9 Secondary reference Microwave Development Company Inc Dba Microwave Development Company Inc |
| 200532074-1 | 1/2 Source control — Government-approved source U.S. Government activity |
| 70159-519 | 5/9 Secondary reference Flann Microwave, Inc. |
NSN 5985-01-601-8722 is a Diplexer, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-601-8722 has 2 manufacturer part numbers on file: D470-115 (Microwave Engineering Corporation), 70159-519 (Frontgrade Technologies Inc.).
Key specifications for 70159-519: End Item Identification: THREAT EMITTE. 0 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 5985-01-601-8722 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.