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GS839B3 — SWITCH,SENSITIVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

GS839B3: SWITCH,SENSITIVE.

The SWITCH,SENSITIVE is a the manufacturer industrial component. Key specifications include body_style: BUSHING MOUNTED, body_length: 0.980 INCHES MAXIMUM IN, body_diameter: 1.000 INCHES NOMINAL IN, actuator_style: ROLLER PLUNGER, bushing_length: 0.687 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-137-4850, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
GS839B3
NSN: 5930-00-137-4850
FSC: 5930 — Switches
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
body_styleBUSHING MOUNTED
body_length0.980 INCHES MAXIMUM IN
body_diameter1.000 INCHES NOMINAL IN
actuator_styleROLLER PLUNGER
bushing_length0.687 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED BUSHING
actuator_movement0.040 PRETRAVEL INCHES MAXIMUM AND 0.250 OVERTRAVEL INCHES MINIMUM AND 0.020 DIFFERENTIAL INCHES MAXIMUM
nominal_thread_size0.625 INCHES IN
switch_release_force64.0 OUNCES MINIMUM OZ
actuator_roller_width0.120 INCHES NOMINAL IN
switch_actuating_force192.0 OUNCES MAXIMUM OZ
NSN5930-00-137-4850
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,SENSITIVE TITLE COMPONENT PN GS839B3 MFR SWITCH,SENSITIVE
KEY FEATURES
•
BUSHING LENGTH: 0.687 INCHES MAXIMUM IN
•
BODY DIAMETER: 1.000 INCHES NOMINAL IN
•
INCLOSURE TYPE: FULLY INCLOSED
•
BODY STYLE: BUSHING MOUNTED
•
ACTUATOR STYLE: ROLLER PLUNGER
•
MOUNTING METHOD: THREADED BUSHING
•
SWITCH ACTUATING FORCE: 192.0 OUNCES MAXIMUM OZ
•
SWITCH RELEASE FORCE: 64.0 OUNCES MINIMUM OZ
TECHNICAL CHARACTERISTICS
BUSHING LENGTH0.687 INCHES MAXIMUM IN
BODY DIAMETER1.000 INCHES NOMINAL IN
INCLOSURE TYPEFULLY INCLOSED
BODY STYLEBUSHING MOUNTED
ACTUATOR STYLEROLLER PLUNGER
MOUNTING METHODTHREADED BUSHING
SWITCH ACTUATING FORCE192.0 OUNCES MAXIMUM OZ
SWITCH RELEASE FORCE64.0 OUNCES MINIMUM OZ
NOMINAL THREAD SIZE0.625 INCHES IN
BODY LENGTH0.980 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5930 — Switches
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5930-00-000-0117 5930-00-001-1407 5930-00-001-1890 5930-00-001-2571 5930-00-001-2575 5930-00-001-2580 5930-00-001-2608 5930-00-001-2609
SUBSTITUTES & CROSS-REFERENCES 1
21EN279-6Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GS839B3?
GS839B3 is a SWITCH,SENSITIVE.
What parts can replace GS839B3?
There is 1 known substitute for GS839B3: 21EN279-6. Substitute compatibility should be verified for your specific system.
What is the NSN for GS839B3?
GS839B3 is cataloged in the U.S. Government catalog under NSN 5930-00-137-4850. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.