PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B545Trackball,data Entry

Lockheed Martin Corporation Div Rms - Manassas · NSN 7025-01-473-0850 · FSC 7025 · No Item Name Available
Verified by PartsTable
NSN 7025-01-473-0850 — this item is cataloged by the U.S. Government under National Stock Number 7025-01-473-0850. Primary manufacturer part number: B545.
Features
  • Trackball,data Entry — FSC 7025
  • Criticality Code Justification: FEAT
  • Criticality Code Justification: FEAT
  • 8 verified cross-references
  • Primary manufacturer: Lockheed Martin Corporation Div Rms - Manassas
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Trackball,data Entry, cataloged under National Stock Number 7025-01-473-0850, is classified within Federal Supply Class 7025 (No Item Name Available) of the General Purpose ADP Equipment group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Manassas. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN7025-01-473-0850
Primary Part NumberB545
Item NameTrackball,data Entry
FSC / FSG7025 / 70 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Manassas
StatusACTIVE
Criticality Code JustificationFEAT
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality Code00
Unit of IssueEA
SMR CodeY
Weight2.0000 lbs
Cube0.0810 cu ft
Verified Substitutes 4
3110-00-142-4339B545LY196 INTERCHANGEABLE
Bearing,ball,airframe
Mpb Corp Div Timken Super Precision
4320-00-369-9904B545 INTERCHANGEABLE
Ring,lantern
Clyde Pumps Ltd
3110-00-924-4882B545 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5340-01-139-2895B-545 INTERCHANGEABLE
Cap,protective,dust and Moisture
Caplugs Llc Dba Mokon Div Caplugs
Cross-Reference Index
Part NumberManufacturer
560-0004A REV A Cortron, Inc. Dba Cortron Inc (USA)
560-0001A REV B-Q70 Cortron, Inc. Dba Cortron Inc (USA)
B545 PRIMARY Lockheed Martin Corporation Div Rms - Manassas (USA)
79C0334-00 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
N103664 Lockheed Martin Corporation Div Rms - Manassas (USA)
560-0004A REV A-Q70 Cortron, Inc. Dba Cortron Inc (USA)
560-0001A REV C-Q70 Cortron, Inc. Dba Cortron Inc (USA)
B545 PRIMARY Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
Related Parts
3110-00-142-4339INTERCHANGEABLE
BEARING,BALL,AIRFRAME
B545LY196
4320-00-369-9904INTERCHANGEABLE
RING,LANTERN
B545
3110-00-924-4882INTERCHANGEABLE
BEARING,BALL,ANNULAR
B545
5340-01-139-2895INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
B-545

Frequently Asked Questions

What is NSN 7025-01-473-0850?

NSN 7025-01-473-0850 is a Trackball,data Entry, manufactured by Lockheed Martin Corporation Div Rms - Manassas, classified under FSC 7025 (No Item Name Available). Status: active.

What are the part numbers for NSN 7025-01-473-0850?

NSN 7025-01-473-0850 has 8 cross-referenced part numbers: 560-0004A REV A (Cortron, Inc. Dba Cortron Inc), 560-0001A REV B-Q70 (Cortron, Inc. Dba Cortron Inc), B545 (Lockheed Martin Corporation Div Rms - Manassas), 79C0334-00 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), N103664 (Lockheed Martin Corporation Div Rms - Manassas) and 3 more.

What NSN replaces 7025-01-473-0850?

There are 4 known substitutes for 7025-01-473-0850: 3110-00-142-4339, 4320-00-369-9904, 3110-00-924-4882 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B545?

Key specifications for B545: End Item Identification: AN/UYQ-70 ADVANCED DISPLAY SYSTEM; Criticality Code Justification: FEAT; Special Features: ITEMS ARE BEING CODED AS CRITICAL TO INSURE SOURCE INSPECTION WILL BE PERFORMED AT THE POINT OF MANUFACTURE, PRIOR TO MATERIAL RECEIPT BY THE US NAVY OR OTHER DOD COMPONENTS. THESE ITEMS ARE PIECE PARTS OR END ITEMS IN SUPPORT OF VITAL MILITARY HARDWARE NECESSARY TO SUSTAIN THE SUCCESSFUL MISSION OF THE SHIPS, SUBMARINES, AND SHORE STATIONS OF THE US NAVY. CRITICAL FEATURES INCLUDING, BUT NOT LIMITED TO, DIMENSIONS, TOLERANCES/CLEARANCES, ELECTRONIC CHARACTERISTICS, AND METALLURGICAL PROPERTIES WILL BESPECIFIED FOR GOVERNMENT Q AR (QUALITY ASSURANCE REPRESENTATIVES) TO INSURE THE HIGHEST POSSIBLE DEGREE OF QUALITY AND RELIABILITY OF THESE PARTS BEING DELIVERED UNDER NAVICP CONTRACTS; End Item Identification: AN/UYQ-70 ADVANCED DISPLAY SYSTEM. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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