PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B166Test Panel,tape Rec

Lockheed Martin Corp · NSN 4920-00-570-4883 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-570-4883 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-570-4883. Primary manufacturer part number: B166.
Features
  • Test Panel,tape Rec — FSC 4920
  • FSC Application Data: TEST SET,RECORDER-REPRODUCER SET,SOUND,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 Panel,tape Rec, cataloged under National Stock Number 4920-00-570-4883, 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
NSN4920-00-570-4883
Primary Part NumberB166
Item NameTest Panel,tape Rec
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
FSC Application DataTEST SET,RECORDER-REPRODUCER SET,SOUND,ACFT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3120-00-662-89504500166-6 INTERCHANGEABLE
Bearing,sleeve
Agco Corp Parts Opn
3110-00-886-6220B-166L085 INTERCHANGEABLE
Bearing,roller,needle
Jtekt Bearings North America Llc Div Kbna - Ord 1
Cross-Reference Index
Part NumberManufacturer
B166 PRIMARY Lockheed Martin Corp (USA)
Related Parts
3120-00-662-8950INTERCHANGEABLE
BEARING,SLEEVE
4500166-6
3110-00-886-6220INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
B-166L085

Frequently Asked Questions

What is NSN 4920-00-570-4883?

NSN 4920-00-570-4883 is a Test Panel,tape Rec, manufactured by Lockheed Martin Corp, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-570-4883?

NSN 4920-00-570-4883 has 1 cross-referenced part number: B166 (Lockheed Martin Corp).

What NSN replaces 4920-00-570-4883?

There are 2 known substitutes for 4920-00-570-4883: 3120-00-662-8950, 3110-00-886-6220. Verify interchangeability with system specifications before substitution.

What are the specifications of B166?

Key specifications for B166: FSC Application Data: TEST SET,RECORDER-REPRODUCER SET,SOUND,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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