PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

538D645P6Switch,sensitive

General Electric Company Dba Ge Aerospace · NSN 5930-00-941-6649 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-941-6649 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-941-6649. Primary manufacturer part number: 538D645P6.
Features
  • Switch,sensitive — FSC 5930
  • Unthreaded Mounting Hole Diameter: 0.125 INCHES NOMINAL IN
  • Switch Actuating Force: 227.0 GRAMS MINIMUM AND 826.0 GRAMS MAXIMUM G
  • Terminal Type and Quantity: 1 CABLE W/CONNECTOR
  • Switch Release Force: 181.0 GRAMS MINIMUM AND 499.0 GRAMS MAXIMUM G
  • Nonpile-Up Contact Arrangement: 2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION SINGLE SWITCH UNIT
  • Actuator Movement: 0.035 PRETRAVEL INCHES MAXIMUM AND 0.015 OVERTRAVEL INCHES NOMINAL AND 0.020 DIFFERENTIAL INCHES MAXIMUM
  • Inclosure Type: FULLY INCLOSED
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,sensitive, cataloged under National Stock Number 5930-00-941-6649, 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 General Electric Company Dba Ge Aerospace. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-941-6649
Primary Part Number538D645P6
Item NameSwitch,sensitive
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerGeneral Electric Company Dba Ge Aerospace
StatusACTIVE
Unthreaded Mounting Hole Diameter0.125 INCHES NOMINAL IN
Switch Actuating Force227.0 GRAMS MINIMUM AND 826.0 GRAMS MAXIMUM G
Terminal Type and Quantity1 CABLE W/CONNECTOR
Switch Release Force181.0 GRAMS MINIMUM AND 499.0 GRAMS MAXIMUM G
Nonpile-Up Contact Arrangement2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION SINGLE SWITCH UNIT
Actuator Movement0.035 PRETRAVEL INCHES MAXIMUM AND 0.015 OVERTRAVEL INCHES NOMINAL AND 0.020 DIFFERENTIAL INCHES MAXIMUM
Inclosure TypeFULLY INCLOSED
Center to Center Distance Between Mounting Facilities Parallel to Height0.406 INCHES NOMINAL IN
Body Height1.344 INCHES NOMINAL IN
Body Width0.406 INCHES NOMINAL IN
Body StyleHOLE MOUNTED
Center to Center Distance Between Mounting Facilities Parallel to Length0.875 INCHES NOMINAL IN
Body Length1.406 INCHES NOMINAL IN
Mounting MethodUNTHREADED HOLE(S)
Actuator StyleLEAF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-405-839221476-1 INTERCHANGEABLE
Transistor
Raytheon Company Dba Raytheon Co
5999-01-098-886421476-1 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5985-01-314-649521476-1 INTERCHANGEABLE
Line Section,radio Frequency Tra
Fisica Applied Technologies, Inc. Div Randtron Antenna Systems
Cross-Reference Index
Part NumberManufacturer
538D645P6 PRIMARY General Electric Company Dba Ge Aerospace (USA)
21476-1 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
Related Parts
5961-00-405-8392INTERCHANGEABLE
TRANSISTOR
21476-1
5999-01-098-8864INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
21476-1
5985-01-314-6495INTERCHANGEABLE
LINE SECTION,RADIO FREQUENCY TRA
21476-1

Frequently Asked Questions

What is NSN 5930-00-941-6649?

NSN 5930-00-941-6649 is a Switch,sensitive, manufactured by General Electric Company Dba Ge Aerospace, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-941-6649?

NSN 5930-00-941-6649 has 2 cross-referenced part numbers: 538D645P6 (General Electric Company Dba Ge Aerospace), 21476-1 (Sensata Technologies, Inc. Div Sensata Attleboro).

What NSN replaces 5930-00-941-6649?

There are 3 known substitutes for 5930-00-941-6649: 5961-00-405-8392, 5999-01-098-8864, 5985-01-314-6495. Verify interchangeability with system specifications before substitution.

What are the specifications of 538D645P6?

Key specifications for 538D645P6: Unthreaded Mounting Hole Diameter: 0.125 INCHES NOMINAL IN; Switch Actuating Force: 227.0 GRAMS MINIMUM AND 826.0 GRAMS MAXIMUM G; Terminal Type and Quantity: 1 CABLE W/CONNECTOR; Switch Release Force: 181.0 GRAMS MINIMUM AND 499.0 GRAMS MAXIMUM G. 15 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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