The Coupler,directional, cataloged under National Stock Number 5985-01-027-5763, 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 Support Services Corp. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-027-5763 |
| Primary Part Number | 138C451H01 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Power Loss in Decibels | 40.0 |
| Design Type | BIDIRECTIONAL |
| Unit Type | COAXIAL LINE |
| 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 |
|---|---|
| 138C451H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 138C451H01 | 3/9 Design control — primary reference U.S. Government activity |
| C40180-502 | 5/9 Secondary reference Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies |
| 12225624 | 5/9 Secondary reference Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies |
| R0040180502 | 5/9 Secondary reference Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies |
NSN 5985-01-027-5763 is a Coupler,directional, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-027-5763 has 1 manufacturer part number on file: 138C451H01 (Northrop Grumman Support Services Corp).
Key specifications for 138C451H01: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Power Loss in Decibels: 40.0; Design Type: BIDIRECTIONAL; Unit Type: COAXIAL LINE. 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 5985-01-027-5763 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.