The Trackball,data Entry, cataloged under National Stock Number 7025-01-499-5571, is classified within Federal Supply Class 7025 (Information Technology Input/output and Storage Devices) of the General Purpose ADP Equipment group. The manufacturer of record is Naval Air Warfare Ctr Aircraft Div. Government technical data includes 4 specifications, 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 7025-01-499-5571 |
| Primary Part Number | 53826-1 |
| Item Name | Trackball,data Entry |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Naval Air Warfare Ctr Aircraft Div |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 5.0 DC |
| Interface Type | DIN |
| Unpackaged Unit Weight | 1.100 POUNDS LBS |
| Unit Design | PANEL MOUNTED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | J |
NSN 7025-01-499-5571 is a Trackball,data Entry, manufactured by Naval Air Warfare Ctr Aircraft Div, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-499-5571 has 2 manufacturer part numbers on file: 53826-1 (Naval Air Warfare Ctr Aircraft Div), P-5MP2B (Itac Systems Inc a for-Profit Corp Dba Itac Systems, Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-665-8569. Verify interchangeability with system specifications before substitution.
Key specifications for 53826-1: Overall Height: 1.500 INCHES NOMINAL IN; Voltage in Volts and Current Type: 5.0 DC; Interface Type: DIN; Overall Length: 3.750 INCHES NOMINAL IN. 4 specifications are 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.