PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MT4RSwitch,sensitive

Honeywell International Inc. Dba Honeyweel Sensing & Controls · NSN 5930-00-845-0639 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-845-0639 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-845-0639. Primary manufacturer part number: MT4R.
Features
  • Switch,sensitive — FSC 5930
  • Body Height: 0.880 INCHES NOMINAL IN
  • Body Width: 0.687 INCHES NOMINAL IN
  • Body Length: 1.940 INCHES NOMINAL IN
  • Nonpile-Up Contact Arrangement: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
  • Switch Actuating Force: 12.0 OUNCES MINIMUM AND 18.0 OUNCES MAXIMUM OZ
  • Mounting Method: UNTHREADED HOLE(S)
  • Actuator Diameter: 0.094 INCHES NOMINAL IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Applications requiring Plastic Case construction
General Description

The Switch,sensitive, cataloged under National Stock Number 5930-00-845-0639, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Honeywell International Inc. Dba Honeyweel Sensing & Controls. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5930-00-845-0639
Primary Part NumberMT4R
Item NameSwitch,sensitive
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeyweel Sensing & Controls
StatusACTIVE
Body Height0.880 INCHES NOMINAL IN
Body Width0.687 INCHES NOMINAL IN
Body Length1.940 INCHES NOMINAL IN
Nonpile-Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
Switch Actuating Force12.0 OUNCES MINIMUM AND 18.0 OUNCES MAXIMUM OZ
Mounting MethodUNTHREADED HOLE(S)
Actuator Diameter0.094 INCHES NOMINAL IN
Actuator Free Position Height0.625 INCHES NOMINAL IN
Maximum Voltage Rating in Volts250.0 DC
Actuator StyleROUND
Inclosure TypeFULLY INCLOSED
Unthreaded Mounting Hole Diameter0.140 INCHES NOMINAL IN
Actuator Height0.055 INCHES NOMINAL IN
MaterialPLASTIC CASE
Actuator Movement0.040 PRETRAVEL INCHES MAXIMUM AND 0.005 OVERTRAVEL INCHES MINIMUM AND 0.006 DIFFERENTIAL INCHES NOMINAL
Terminal Type and Quantity3 TAB, SOLDER LUG
Contact Load Current Rating at Maximum Rated Voltage3.000 AMPERES RESISTIVE DC
Switch Release Force5.0 OUNCES MINIMUM OZ
Body StyleHOLE MOUNTED
Center to Center Distance Between Mounting Facilities Parallel to Length1.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5930-01-096-8090949 INTERCHANGEABLE
Switch,sensitive
Q V S Inc
5970-01-142-8412334592 INTERCHANGEABLE
Insulator,plate
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
Cross-Reference Index
Part NumberManufacturer
MT4R PRIMARY Honeywell International Inc. Dba Honeyweel Sensing & Controls (USA)
ES2338-01 Drs Sustainment Systems Inc (USA)
334592 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
ES2338-01 Drs Sustainment Systems, Inc. (USA)
Related Parts
5930-01-096-8090INTERCHANGEABLE
SWITCH,SENSITIVE
949
5970-01-142-8412INTERCHANGEABLE
INSULATOR,PLATE
334592

Frequently Asked Questions

What is NSN 5930-00-845-0639?

NSN 5930-00-845-0639 is a Switch,sensitive, manufactured by Honeywell International Inc. Dba Honeyweel Sensing & Controls, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-845-0639?

NSN 5930-00-845-0639 has 4 cross-referenced part numbers: MT4R (Honeywell International Inc. Dba Honeyweel Sensing & Controls), ES2338-01 (Drs Sustainment Systems Inc), 334592 (Lockheed Martin Corporation Div Rms - Mitchel Field), ES2338-01 (Drs Sustainment Systems, Inc.).

What NSN replaces 5930-00-845-0639?

There are 2 known substitutes for 5930-00-845-0639: 5930-01-096-8090, 5970-01-142-8412. Verify interchangeability with system specifications before substitution.

What are the specifications of MT4R?

Key specifications for MT4R: Body Height: 0.880 INCHES NOMINAL IN; Body Width: 0.687 INCHES NOMINAL IN; Body Length: 1.940 INCHES NOMINAL IN; Nonpile-Up Contact Arrangement: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT. 23 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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