PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF-146Switch,beam Selecting,headlight

Trw Inc Replacement Parts Div · NSN 2590-01-104-9232 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-01-104-9232 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-104-9232. Primary manufacturer part number: FF-146.
Features
  • Switch,beam Selecting,headlight — FSC 2590
  • Body Style: HOLE MOUNTED
  • Maximum Voltage Rating in Volts: 24.0 DC
  • Body Height: 0.733 INCHES NOMINAL IN
  • Actuator Diameter: 0.862 INCHES NOMINAL IN
  • Nonpile-Up Contact Arrangement: 1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.625 INCHES NOMINAL IN
  • Actuator Height: 1.438 INCHES NOMINAL IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,beam Selecting,headlight, cataloged under National Stock Number 2590-01-104-9232, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Trw Inc Replacement Parts Div. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN2590-01-104-9232
Primary Part NumberFF-146
Item NameSwitch,beam Selecting,headlight
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerTrw Inc Replacement Parts Div
StatusACTIVE
Body StyleHOLE MOUNTED
Maximum Voltage Rating in Volts24.0 DC
Body Height0.733 INCHES NOMINAL IN
Actuator Diameter0.862 INCHES NOMINAL IN
Nonpile-Up Contact Arrangement1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
Center to Center Distance Between Mounting Facilities Parallel to Length1.625 INCHES NOMINAL IN
Actuator Height1.438 INCHES NOMINAL IN
Body Length1.150 INCHES NOMINAL IN
Actuator StyleROUND
Body Width0.883 INCHES NOMINAL IN
Terminal Type and Quantity3 QUICK DISCONNECT, MALE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5345-00-584-4523A18F0 INTERCHANGEABLE
Stone,sharpening
Tyrolit Wickman Inc
2910-01-695-5483FF146 INTERCHANGEABLE
Filter,fluid
Fleetguard Inc Div of Cummins Engine Co
Cross-Reference Index
Part NumberManufacturer
90001523 Ottawa Truck Inc Div Cargotec Solutions Llc - Kalmar Americas Region (USA)
FF-146 PRIMARY Trw Inc Replacement Parts Div (USA)
FF-146 C E Niehoff & Co (USA)
Related Parts
5345-00-584-4523INTERCHANGEABLE
STONE,SHARPENING
A18F0
2910-01-695-5483INTERCHANGEABLE
FILTER,FLUID
FF146

Frequently Asked Questions

What is NSN 2590-01-104-9232?

NSN 2590-01-104-9232 is a Switch,beam Selecting,headlight, manufactured by Trw Inc Replacement Parts Div, classified under FSC 2590 (No Item Name Available). Status: active.

What are the part numbers for NSN 2590-01-104-9232?

NSN 2590-01-104-9232 has 3 cross-referenced part numbers: 90001523 (Ottawa Truck Inc Div Cargotec Solutions Llc - Kalmar Americas Region), FF-146 (Trw Inc Replacement Parts Div), FF-146 (C E Niehoff & Co).

What NSN replaces 2590-01-104-9232?

There are 2 known substitutes for 2590-01-104-9232: 5345-00-584-4523, 2910-01-695-5483. Verify interchangeability with system specifications before substitution.

What are the specifications of FF-146?

Key specifications for FF-146: Body Style: HOLE MOUNTED; Maximum Voltage Rating in Volts: 24.0 DC; Body Height: 0.733 INCHES NOMINAL IN; Actuator Diameter: 0.862 INCHES NOMINAL IN. 11 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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