PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20146Test Program Set

Textron Systems Corporation Dba Textron Systems Corp · NSN 4920-01-300-2023 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-300-2023 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-300-2023. Primary manufacturer part number: 20146.
Features
  • Test Program Set — FSC 4920
  • 1 verified cross-reference
  • Primary manufacturer: Textron Systems Corporation Dba Textron Systems Corp
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Test Program Set, cataloged under National Stock Number 4920-01-300-2023, 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 Textron Systems Corporation Dba Textron Systems Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTest Program Set
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersTextron Systems Corporation Dba Textron Systems Corp (CAGE 97384)
Technical Specifications
ParameterValue
NSN4920-01-300-2023
Primary Part Number20146
Item NameTest Program Set
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerTextron Systems Corporation Dba Textron Systems Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4925-00-088-793120146 INTERCHANGEABLE
Wrench,fuze Lug
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5133-00-228-1393 INTERCHANGEABLE
Drill,twist
5360-00-361-0566 INTERCHANGEABLE
Spring,helical,compression
6605-00-399-2131201-46 INTERCHANGEABLE
Carriage,stadimeter
Carbonara Labs Inc
4810-00-505-141420146 INTERCHANGEABLE
Guide,solenoid
Pneudraulics, Inc.
6645-00-881-107520146 INTERCHANGEABLE
Timing Movement,mechanical
L & R Manufacturing Company
5998-01-018-0826 INTERCHANGEABLE
Extender Card,electronic Test
5310-01-079-706120-146 INTERCHANGEABLE
Nut,plain,hexagon
Motorola Automotive Electronics
4820-01-159-5965B7327-001-108 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-167-440410443001156 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
20146 PRIMARY Textron Systems Corporation Dba Textron Systems Corp (USA)
Related Parts
4925-00-088-7931INTERCHANGEABLE
WRENCH,FUZE LUG
20146
5133-00-228-1393INTERCHANGEABLE
DRILL,TWIST
5360-00-361-0566INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6605-00-399-2131INTERCHANGEABLE
CARRIAGE,STADIMETER
201-46
4810-00-505-1414INTERCHANGEABLE
GUIDE,SOLENOID
20146
6645-00-881-1075INTERCHANGEABLE
TIMING MOVEMENT,MECHANICAL
20146
5998-01-018-0826INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
5310-01-079-7061INTERCHANGEABLE
NUT,PLAIN,HEXAGON
20-146
4820-01-159-5965INTERCHANGEABLE
DISK,VALVE
B7327-001-108
4820-01-167-4404INTERCHANGEABLE
SEAT,VALVE
10443001156
5950-01-317-1888INTERCHANGEABLE
TRANSFORMER,POWER
3191419-104-103
5310-01-664-3426INTERCHANGEABLE
WASHER,LOCK
20-14-6

Frequently Asked Questions

What is NSN 4920-01-300-2023?

NSN 4920-01-300-2023 is a Test Program Set, manufactured by Textron Systems Corporation Dba Textron Systems Corp, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-300-2023?

NSN 4920-01-300-2023 has 1 cross-referenced part number: 20146 (Textron Systems Corporation Dba Textron Systems Corp).

What NSN replaces 4920-01-300-2023?

There are 12 known substitutes for 4920-01-300-2023: 4925-00-088-7931, 5133-00-228-1393, 5360-00-361-0566 and 9 more. Verify interchangeability with system specifications before substitution.

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