PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1MR226Switch,beam Selecting,headlight

Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations · NSN 2590-00-620-9928 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-00-620-9928 — this item is cataloged by the U.S. Government under National Stock Number 2590-00-620-9928. Primary manufacturer part number: 1MR226.
Features
  • Switch,beam Selecting,headlight — FSC 2590
  • Hazardous Locations/environmental Protection: WATERPROOF AND DUSTPROOF
  • Body Width: 2.060 INCHES NOMINAL IN
  • Maximum Voltage Rating in Volts: 28.0 DC
  • Terminal Type and Quantity: 3 TAB W/SCREW
  • Nonpile-Up Contact Arrangement: 1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
  • Actuator Diameter: 1.082 INCHES NOMINAL IN
  • Actuator Height: 1.560 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,beam Selecting,headlight, cataloged under National Stock Number 2590-00-620-9928, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 42 commercial cross-references from 30 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2590-00-620-9928
Primary Part Number1MR226
Item NameSwitch,beam Selecting,headlight
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerMack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations
StatusCANCELLED
Hazardous Locations/environmental ProtectionWATERPROOF AND DUSTPROOF
Body Width2.060 INCHES NOMINAL IN
Maximum Voltage Rating in Volts28.0 DC
Terminal Type and Quantity3 TAB W/SCREW
Nonpile-Up Contact Arrangement1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
Actuator Diameter1.082 INCHES NOMINAL IN
Actuator Height1.560 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN
Actuator StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5315-00-010-3690103690 INTERCHANGEABLE
Pin,straight,headless
Chrysler Realty Company Llc Dba Daimler Chrysler
5315-00-011-2006A1609 INTERCHANGEABLE
Pin,straight,headless
Am General Llc
5930-00-060-39226245 INTERCHANGEABLE
Switch,slide
Birnbach Co Inc
6210-00-111-69711050A1 INTERCHANGEABLE
Light,indicator
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
3110-00-142-4443 INTERCHANGEABLE
Bearing,ball,airframe
3110-00-144-86680042847-4 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
5210-00-250-6245 INTERCHANGEABLE
Gage,thickness
4720-00-277-89846600-489725 INTERCHANGEABLE
Hose,nonmetallic
Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)
4720-00-278-1112 INTERCHANGEABLE
Hose,nonmetallic
5342-00-300-19876245 INTERCHANGEABLE
Insert,panel
Paneloc Corp the
Cross-Reference Index
Part NumberManufacturer
6245 Universal Components Corp (USA)
140829HX Navistar International Corporation Dba Navistar (USA)
1MR226 PRIMARY Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations (USA)
UDS401 PRIMARY Wells Mfg Corp Sub of Uis Inc (USA)
1997013 General Motors Corp Delco Remy Div (USA)
1997014 Corbitt Co Inc (USA)
1MR226 Mack Trucks Inc Parts Opn (USA)
17SW00015A PRIMARY Payhauler Corp (USA)
B-209928 PRIMARY Cole Hersee Company (USA)
638979 PRIMARY Am General Llc (USA)
MH440-3024 Long-Airdox Co (USA)
7000419 CAGE 00000
1997014 General Motors Corp (USA)
A12056 PRIMARY Am General Llc (USA)
112006 Terex Corp (USA)
30 Zaiger Corp
1997013 Borgwarner Pds (anderson), L.l.c. (USA)
DX6140 Diamond Reo Truck Co (USA)
70-68-1 Flxible Co the (USA)
1997014 Kaitlin Corp (USA)
Related Parts
5315-00-010-3690INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
103690
5315-00-011-2006INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
A1609
5930-00-060-3922INTERCHANGEABLE
SWITCH,SLIDE
6245
6210-00-111-6971INTERCHANGEABLE
LIGHT,INDICATOR
1050A1
3110-00-142-4443INTERCHANGEABLE
BEARING,BALL,AIRFRAME
3110-00-144-8668INTERCHANGEABLE
BEARING,BALL,ANNULAR
0042847-4
5210-00-250-6245INTERCHANGEABLE
GAGE,THICKNESS
4720-00-277-8984INTERCHANGEABLE
HOSE,NONMETALLIC
6600-489725
4720-00-278-1112INTERCHANGEABLE
HOSE,NONMETALLIC
5342-00-300-1987INTERCHANGEABLE
INSERT,PANEL
6245
5930-00-335-7301INTERCHANGEABLE
SWITCH,HEADLAMP DIM
1MR226
2915-00-335-8997INTERCHANGEABLE
ARM,FUEL INTERCONNE
112006

Frequently Asked Questions

What is NSN 2590-00-620-9928?

NSN 2590-00-620-9928 is a Switch,beam Selecting,headlight, manufactured by Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations, classified under FSC 2590 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2590-00-620-9928?

NSN 2590-00-620-9928 has 42 cross-referenced part numbers: 6245 (Universal Components Corp), 140829HX (Navistar International Corporation Dba Navistar), 1MR226 (Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations), UDS401 (Wells Mfg Corp Sub of Uis Inc), 1997013 (General Motors Corp Delco Remy Div) and 37 more.

What NSN replaces 2590-00-620-9928?

There are 12 known substitutes for 2590-00-620-9928: 5315-00-010-3690, 5315-00-011-2006, 5930-00-060-3922 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1MR226?

Key specifications for 1MR226: Hazardous Locations/environmental Protection: WATERPROOF AND DUSTPROOF; Body Width: 2.060 INCHES NOMINAL IN; Maximum Voltage Rating in Volts: 28.0 DC; Terminal Type and Quantity: 3 TAB W/SCREW. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2590-00-620-9928 still in active supply?

NSN 2590-00-620-9928 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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