The Drive Gear Assembly, cataloged under National Stock Number 5840-01-077-6015, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5840-01-077-6015 |
| Primary Part Number | 1854973 |
| Item Name | Drive Gear Assembly |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF DRIVE SHAFT P/N 1817513,2 DRIVE PINS P/N 1817512,1 MODIFIED SPUR GEAR P/N 1854974,ALL COMPONENTS MADE FROM FED QQ-S-763 CL 303 COND A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1854973 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1854973 | 5/1 Secondary reference Northrop Grumman Systems Corporation |
NSN 5840-01-077-6015 is a Drive Gear Assembly, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-01-077-6015 has 1 manufacturer part number on file: 1854973 (Northrop Grumman Systems Corporation).
Key specifications for 1854973: General Characteristics Item Description: CONSISTS OF DRIVE SHAFT P/N 1817513,2 DRIVE PINS P/N 1817512,1 MODIFIED SPUR GEAR P/N 1854974,ALL COMPONENTS MADE FROM FED QQ-S-763 CL 303 COND A. 1 specification is documented in the U.S. Government catalog.
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 5840-01-077-6015 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.