The Coupler,directional, cataloged under National Stock Number 5985-00-682-8828, 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 Raytheon Company. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-682-8828 |
| Primary Part Number | 898853-2 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Terminal Fitting Controlling Agency | AN |
| Unpackaged Unit Weight | 2.000 POUNDS NOMINAL LBS |
| Usage Design | MAIN LINE TERMINAL FITTING |
| Power Loss in Decibels | 0.15 |
| Identifying Number | TERMINAL FITTING TYPE UG-21B/U |
| Design Type | BIDIRECTIONAL |
| Precious Material | RHODIUM AND SILVER |
| Radio Frequency Rating | 225.0 MEGAHERTZ MINIMUM AND 460.0 MEGAHERTZ MAXIMUM |
| Unit Type | TRANSMISSION LINE |
| Precious Material and Location | INTERNAL CENTER CONDUCTOR SURFACES RHODIUM AND INTERNAL CENTER CONDUCTOR SURFACES SILVER |
| 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 |
|---|---|
| 898853-2 | Raytheon Company (USA) |
| 898853-2 | Raytheon Company Dba Raytheon Co (USA) |
| 5052-XX-001 | Cinch Connectivity Solutions Inc (USA) |
| CPL-5052-30-001-79 | Cinch Connectivity Solutions Inc (USA) |
| 376-002-065 | L3harris Interstate Electronics Corporation (USA) |
| 376-002-065 | Ferrite Engineering Labs (USA) |
| Reference | Meaning |
|---|---|
| 898853-2 | 5/9 Secondary reference Raytheon Company Div Corp |
| RME-U-0051 | 5/9 Secondary reference Rme Filters Inc |
| 3000-30 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-682-8828 is a Coupler,directional, manufactured by Raytheon Company, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-682-8828 has 6 manufacturer part numbers on file: 898853-2 (Raytheon Company), 898853-2 (Raytheon Company Dba Raytheon Co), 5052-XX-001 (Cinch Connectivity Solutions Inc), CPL-5052-30-001-79 (Cinch Connectivity Solutions Inc), 376-002-065 (L3harris Interstate Electronics Corporation) and 1 more.
7 possible matches (shared part number, not a government interchangeability claim): 5340-00-878-5833, 5985-00-902-7954, 4330-01-200-5599. Verify interchangeability with system specifications before substitution.
Key specifications for 898853-2: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Terminal Fitting Controlling Agency: AN; Unpackaged Unit Weight: 2.000 POUNDS NOMINAL LBS; Usage Design: MAIN LINE TERMINAL FITTING. 11 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 5985-00-682-8828 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.