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78-843 — ADAPTER,SWITCH ACTUATOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

78-843: ADAPTER,SWITCH ACTUATOR.

The ADAPTER,SWITCH ACTUATOR is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, style_designator: PLAIN, COG OR NOTCHED, environmental_protection: HEAT RESISTANT AND OIL RESISTANT AND STATIC FREE, part_name_assigned_by_controlling_agency: BELT, ALTERNATOR. This part is cataloged in the U.S.

Government catalog under NSN 3455-00-021-2417, 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
78-843
NSN: 3455-00-021-2417
NIINs: 000212417, 012393225, 013308294, 016809572
FSC: 3455 — Cutting Tools for Machine Tools
CAGE: 64700 — KENNAMETAL INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
style_designatorPLAIN, COG OR NOTCHED
environmental_protectionHEAT RESISTANT AND OIL RESISTANT AND STATIC FREE
part_name_assigned_by_controlling_agencyBELT, ALTERNATOR
NSN3455-00-021-2417
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ADAPTER,SWITCH ACTUATOR TITLE COMPONENT PN 78-843 MFR ADAPTER,SWITCH ACTUATO
KEY FEATURES
•
LENGTH: 1.025 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.094 INCHES NOMINAL IN
•
CUTTER TOOTH STYLE DESIGNATOR: C1
•
CUTTING SURFACE LENGTH: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: INVERTED CONE SHAPE
•
DIAMETER: 0.125 INCHES NOMINAL IN
•
MOUNTING SHANK: INCLUDED
•
REMOVABILITY FEATURE: NOT INCLUDED
TECHNICAL CHARACTERISTICS
LENGTH1.025 INCHES NOMINAL IN
OVERALL DIAMETER0.094 INCHES NOMINAL IN
CUTTER TOOTH STYLE DESIGNATORC1
CUTTING SURFACE LENGTH0.125 INCHES NOMINAL IN
STYLE DESIGNATORINVERTED CONE SHAPE
DIAMETER0.125 INCHES NOMINAL IN
MOUNTING SHANKINCLUDED
REMOVABILITY FEATURENOT INCLUDED
NONDEFINITIVE SPEC/STD DATA2 TYPE AND A STYLE AND 2 SIZE AND B CLASS
SPECIAL FEATURESRIGHT HAND SPIRAL FLUTING
SUBSTITUTES & CROSS-REFERENCES 7
SN-41Reference document
Same NSN cross-reference
Reference document — Secondary reference
A-A-51166Reference document
Same NSN cross-reference
Reference document — Identification reference
9TN2BWReference document
Same NSN cross-reference
Reference document — Secondary reference
JS-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
4M-093Reference document
Same NSN cross-reference
Reference document — Secondary reference
32.901Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 78-843?
78-843 is a ADAPTER,SWITCH ACTUATOR.
What parts can replace 78-843?
There are 7 known substitutes for 78-843: SN-41, A-A-51166, 9TN2BW and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 78-843?
78-843 is cataloged in the U.S. Government catalog under NSN 3455-00-021-2417. 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.