The Coupler, cataloged under National Stock Number 5841-00-563-1377, is classified within Federal Supply Class 5841 (Radar Equipment, Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Coupler |
| FSC / FSG | 5841 — Radar Equipment, Airborne (FSG 58) |
| Manufacturers | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (CAGE 26916) |
| Parameter | Value |
|---|---|
| NSN | 5841-00-563-1377 |
| Primary Part Number | 31C8233 |
| Item Name | Coupler |
| FSC / FSG | 5841 / 58 — Radar Equipment, Airborne |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 31C8233 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| Reference | Meaning |
|---|---|
| 756-4335 | 5/9 Secondary reference Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions |
| 756-4374 | 5/9 Secondary reference Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions |
| CU105PS31 | 3/2 Design control — primary reference U.S. Government activity |
| 31C8233 | 5/9 Secondary reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
| 756-4374-1 | 5/9 Secondary reference Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions |
| 20098 | 5/2 Secondary reference U.S. Government activity |
NSN 5841-00-563-1377 is a Coupler, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5841, Radar Equipment, Airborne. Status: active.
NSN 5841-00-563-1377 has 1 manufacturer part number on file: 31C8233 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple).
6 possible matches (shared part number, not a government interchangeability claim): 5330-00-599-9050, 3441-00-806-2739, 1680-01-149-8250. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5841-00-563-1377 has DEMIL Code C. 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.