The Coupler,transmission Line, cataloged under National Stock Number 5985-01-274-5554, 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 Div Multiple. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-274-5554 |
| Primary Part Number | 037-003197-001 |
| Item Name | Coupler,transmission Line |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Unit Type | WAVEGUIDE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 037-003197-001 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| R71-108 | Microwave Engineering Corporation (USA) |
| 037-003197-001 | Microwave Engineering Corporation (USA) |
NSN 5985-01-274-5554 is a Coupler,transmission Line, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-274-5554 has 3 manufacturer part numbers on file: 037-003197-001 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), R71-108 (Microwave Engineering Corporation), 037-003197-001 (Microwave Engineering Corporation).
Key specifications for 037-003197-001: Criticality Code Justification: FEAT; Overall Length: 11.130 INCHES NOMINAL IN; Unit Type: WAVEGUIDE; Special Features: WEAPON SYSTEM ESSENTIAL;COUPLER FILTER. 2 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 5985-01-274-5554 has DEMIL Code Q. 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.