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109 — SWITCH,CODE INDICATING WHEEL

✓ Government record, cited
Geomag · MRO · MRO_GENERAL
PRODUCT OVERVIEW

109: SWITCH,CODE INDICATING WHEEL.

The SWITCH,CODE INDICATING WHEEL is a Geomag industrial component. Key specifications include design_type: SPRING, outside_diameter: 0.312 INCHES NOMINAL IN, special_features: LARGE NO SMOKE SPARE FILTER,12 IN WX14.5 IN H. IN, style_designator: CYLINDRICAL, surface_treatment: ZINC OVERALL, coil_helix_direction: LEFT-HAND.

This part is cataloged in the U.S. Government catalog under NSN 6240-00-062-6173, 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
MRO→ MRO_GENERAL→ 109
NSN: 6240-00-062-6173
NIINs: 000626173, 000683546, 000742014, 000805692, 001145997, 001563576, 001586190, 001586717, 001680893, 001708180, 002022590, 002359656, 002469757, 002622181, 002622183, 002622187, 002622189, 002626825, 002643069, 002646158, 002647892, 002699710, 002709971, 002847615, 003344021, 003429729, 003502640, 004478855, 004748020, 004898844, 005006519, 005033309, 005255752, 007167041, 007310606, 007858546, 008126327, 008176578, 008177850, 008579870, 008631376, 008794530, 009063962, 009397203, 009687971, 009713955, 009994606, 010505499, 011032765, 011622003, 011888834, 012119598, 013081203, 013171946, 013343394, 013591315, 013730785, 013741415, 014335019, 014439711, 014459416, 015027810, 015048744, 015569251, 015642367, 016565551, 017091686, 017107630
FSC: 6240 — Electric Lamps
CAGE: 56665 — CARLEY DBA CARLEY LAMPS (USA)
SPECIFICATIONS
design_typeSPRING
outside_diameter0.312 INCHES NOMINAL IN
special_featuresLARGE NO SMOKE SPARE FILTER,12 IN WX14.5 IN H. IN
style_designatorCYLINDRICAL
surface_treatmentZINC OVERALL
coil_helix_directionLEFT-HAND
coil_free_overall_length3.0 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencySPRING,MACHINE HOOK
NSN6240-00-062-6173
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Geomag SWITCH,CODE INDICATING WHEEL TITLE COMPONENT PN 109 MFR Geomag SWITCH,CODE INDICATING
KEY FEATURES
•
BULB LIGHT TRANSMISSION CHARACTERISTIC: TRANSPARENT
•
FILAMENT DESIGNATION: C-2R
•
BASE STYLE: WIRE LEADS, DOWN
•
RATED AVERAGE LIFE: HOURS
•
BULB DESIGNATOR: T-1
•
WIRE LEAD LENGTH: 0.500 INCHES NOMINAL IN
•
FEATURES PROVIDED: PREAGED LAMP
TECHNICAL CHARACTERISTICS
BULB LIGHT TRANSMISSION CHARACTERISTICTRANSPARENT
FILAMENT DESIGNATIONC-2R
BASE STYLEWIRE LEADS, DOWN
RATED AVERAGE LIFEHOURS
BULB DESIGNATORT-1
OVERALL LENGTH0.250 INCHES MAXIMUM IN
WIRE LEAD LENGTH0.500 INCHES NOMINAL IN
FEATURES PROVIDEDPREAGED LAMP
FILAMENT HEAVY DUTY SERVICE RATINGNOT RATED
WATTAGE RATING0.300 WATTS
SUBSTITUTES & CROSS-REFERENCES 7
683AS-15Reference document
Same NSN cross-reference
Reference document — Secondary reference
170-004-0026Reference document
Same NSN cross-reference
Reference document — Secondary reference
L-683-AS15Reference document
Same NSN cross-reference
Reference document — Secondary reference
81-70004-06Reference document
Same NSN cross-reference
Reference document — Secondary reference
968460-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
S21006-016Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 109?
109 is a SWITCH,CODE INDICATING WHEEL manufactured by Geomag. It is classified as a MRO (MRO_GENERAL).
What parts can replace 109?
There are 7 known substitutes for 109: 683AS-15, 170-004-0026, L-683-AS15 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 109?
109 is cataloged in the U.S. Government catalog under NSN 6240-00-062-6173. This indicates validated use in U.S. government and defense supply chains.
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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.