The Ball Nut, cataloged under National Stock Number 3040-01-386-6865, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-386-6865 |
| Primary Part Number | DAA7278P047-205 |
| Item Name | Ball Nut |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| Status | ACTIVE |
| General Characteristics Item Description | OUTSIDE DIA 1.687 IN,LENGTH 3.10 IN,THREAD SIZE 1.563 IN,THREADS PER IN 18,THREAD LENGTH .600 IN IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DAA7278P047-205 PRIMARY | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| R43-2 | Ball Screws & Actuators Co. Inc. (USA) |
NSN 3040-01-386-6865 is a Ball Nut, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-386-6865 has 2 manufacturer part numbers on file: DAA7278P047-205 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), R43-2 (Ball Screws & Actuators Co. Inc.).
Key specifications for DAA7278P047-205: General Characteristics Item Description: OUTSIDE DIA 1.687 IN,LENGTH 3.10 IN,THREAD SIZE 1.563 IN,THREADS PER IN 18,THREAD LENGTH .600 IN IN; Special Features: SHALL BE HARD CHROME PLATED PER QQ-N-290,CL 1,GRADE EPLUS QQ-C-320,TYPE 1,CL 1,WITH STAINLESS STEEL BALLS; End Item Identification: 1730-01-268-9238. 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.
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.