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2730-79 ITEM 17 — GEAR SECTOR,INTERNAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

2730-79 ITEM 17: GEAR SECTOR,INTERNAL.

The GEAR SECTOR,INTERNAL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, teeth_type: SPUR, pitch_radius: 3.1250 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 16, style_designator: PROTRUDING HUB. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-114-6669, 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
2730-79 ITEM 17
NSN: 3020-01-114-6669
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
teeth_typeSPUR
pitch_radius3.1250 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity16
style_designatorPROTRUDING HUB
arc_nominal_length6.283 INCHES IN
face_nominal_width0.372 INCHES IN
nominal_distance_between_body_face_and_protruding_hub_end0.566 INCHES FIRST END IN
NSN3020-01-114-6669
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR SECTOR,INTERNAL TITLE COMPONENT PN 2730-79 ITEM 17 MFR GEAR SECTOR,INTERNAL
KEY FEATURES
•
TEETH QUANTITY: 16
•
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.566 INCHES FIRST END IN
•
TEETH TYPE: SPUR
•
STYLE DESIGNATOR: PROTRUDING HUB
•
ARC NOMINAL LENGTH: 6.283 INCHES IN
•
PITCH RADIUS: 3.1250 INCHES NOMINAL IN
•
PRESSURE ANGLE: 20.0000 DEGREES
•
MATERIAL: ALUMINUM ALLOY OVERALL
TECHNICAL CHARACTERISTICS
TEETH QUANTITY16
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.566 INCHES FIRST END IN
TEETH TYPESPUR
STYLE DESIGNATORPROTRUDING HUB
ARC NOMINAL LENGTH6.283 INCHES IN
PITCH RADIUS3.1250 INCHES NOMINAL IN
PRESSURE ANGLE20.0000 DEGREES
MATERIALALUMINUM ALLOY OVERALL
FACE NOMINAL WIDTH0.372 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 3
501-4456540 REVReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2730-79Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
501-4456540Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 2730-79 ITEM 17?
2730-79 ITEM 17 is a GEAR SECTOR,INTERNAL.
What parts can replace 2730-79 ITEM 17?
There are 3 known substitutes for 2730-79 ITEM 17: 501-4456540 REV, 2730-79, 501-4456540. Substitute compatibility should be verified for your specific system.
What is the NSN for 2730-79 ITEM 17?
2730-79 ITEM 17 is cataloged in the U.S. Government catalog under NSN 3020-01-114-6669. 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.