The Ball Tracker, cataloged under National Stock Number 5840-01-088-9011, 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 Measurement Systems Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5840-01-088-9011 |
| Primary Part Number | 622-G-607 |
| Item Name | Ball Tracker |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | Measurement Systems Inc |
| Status | ACTIVE |
| General Characteristics Item Description | O/A DIM. 4.500 LG,3.500 W,3.113 H; WITH TRACK BALL W |
| 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 |
|---|---|
| 622-G-607 | Measurement Systems Inc (USA) |
| 55832-2 | Orbit International Corp. Div Orbit Instrument (USA) |
| Reference | Meaning |
|---|---|
| 138C898H01 | 3/9 Design control — primary reference U.S. Government activity |
| 138C898H01 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Support Services Corp |
NSN 5840-01-088-9011 is a Ball Tracker, manufactured by Measurement Systems Inc, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-01-088-9011 has 2 manufacturer part numbers on file: 622-G-607 (Measurement Systems Inc), 55832-2 (Orbit International Corp. Div Orbit Instrument).
Key specifications for 622-G-607: General Characteristics Item Description: O/A DIM. 4.500 LG,3.500 W,3.113 H; WITH TRACK BALL W. 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 5840-01-088-9011 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.