PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B569Test Set,selector

Lockheed Martin Corp · NSN 4920-00-408-2923 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-408-2923 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-408-2923. Primary manufacturer part number: B569.
Features
  • Test Set,selector — FSC 4920
  • FSC Application Data: TEST EQUIPMENT,P-3C ACFT
  • 1 verified cross-reference
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Test Set,selector, cataloged under National Stock Number 4920-00-408-2923, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-00-408-2923
Primary Part NumberB569
Item NameTest Set,selector
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
FSC Application DataTEST EQUIPMENT,P-3C ACFT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5930-00-573-611976960RK1 INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
5930-00-683-1628 INTERCHANGEABLE
Switch,toggle
Cross-Reference Index
Part NumberManufacturer
B569 PRIMARY Lockheed Martin Corp (USA)
Related Parts
5930-00-573-6119INTERCHANGEABLE
SWITCH,ROTARY
76960RK1
5930-00-683-1628INTERCHANGEABLE
SWITCH,TOGGLE

Frequently Asked Questions

What is NSN 4920-00-408-2923?

NSN 4920-00-408-2923 is a Test Set,selector, manufactured by Lockheed Martin Corp, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-408-2923?

NSN 4920-00-408-2923 has 1 cross-referenced part number: B569 (Lockheed Martin Corp).

What NSN replaces 4920-00-408-2923?

There are 2 known substitutes for 4920-00-408-2923: 5930-00-573-6119, 5930-00-683-1628. Verify interchangeability with system specifications before substitution.

What are the specifications of B569?

Key specifications for B569: FSC Application Data: TEST EQUIPMENT,P-3C ACFT. 1 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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