The Coupler,directional, cataloged under National Stock Number 5985-01-074-1733, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-074-1733 |
| Primary Part Number | 868918-0004 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Design Type | BIDIRECTIONAL |
| Radio Frequency Rating | 116.0 GIGAHERTZ MINIMUM AND 152.0 GIGAHERTZ MAXIMUM |
| Unit Type | COAXIAL LINE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4165-050 | Bird Electronic Corporation Div Bird Electronic Corp (USA) |
| 868918-0004 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 868918-0004 | 3/9 Design control — primary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5985-01-074-1733 is a Coupler,directional, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-074-1733 has 2 manufacturer part numbers on file: 4165-050 (Bird Electronic Corporation Div Bird Electronic Corp), 868918-0004 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 868918-0004: Overall Height: 1.000 INCHES NOMINAL IN; Design Type: BIDIRECTIONAL; Radio Frequency Rating: 116.0 GIGAHERTZ MINIMUM AND 152.0 GIGAHERTZ MAXIMUM; Unit Type: COAXIAL LINE. 3 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.
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.