The Coupler,directional, cataloged under National Stock Number 5985-01-127-7927, 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 The Boeing Company Div Defense. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-127-7927 |
| Primary Part Number | 74-870093-101 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Terminal Fitting Controlling Agency | MICROWAVE RESEARCH CORP; DEPARTMENT OF DEFENSE |
| Power Loss in Decibels | 17.0 |
| Design Type | BIDIRECTIONAL |
| Unit Type | COAXIAL LINE AND WAVEGUIDE |
| 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 |
|---|---|
| R100-133 | Microwave Engineering Corporation (USA) |
| 74-870093-101 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| CU-2243/A | 5/1 Secondary reference U.S. Government activity |
| 100-1908 | 5/1 Secondary reference Microwave Engineering Corporation |
NSN 5985-01-127-7927 is a Coupler,directional, manufactured by The Boeing Company Div Defense, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-127-7927 has 2 manufacturer part numbers on file: R100-133 (Microwave Engineering Corporation), 74-870093-101 (The Boeing Company Div Defense).
1 possible match (shared part number, not a government interchangeability claim): 4220-01-675-8575. Verify interchangeability with system specifications before substitution.
Key specifications for 74-870093-101: Overall Height: 2.500 INCHES MAXIMUM IN; Terminal Fitting Controlling Agency: MICROWAVE RESEARCH CORP; DEPARTMENT OF DEFENSE; Power Loss in Decibels: 17.0; Design Type: BIDIRECTIONAL. 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 5985-01-127-7927 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.