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4L19 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4L19: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_style: PLAIN BOTH ENDS, pitch_diameter: 0.6250 INCHES NOMINAL IN, pressure_angle: 14.5000 DEGREES, teeth_quantity: 20, style_designator: PROTRUDING HUB. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-160-6514, 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
4L19
NSN: 3020-01-160-6514
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 12763 — DYNALEC CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_stylePLAIN BOTH ENDS
pitch_diameter0.6250 INCHES NOMINAL IN
pressure_angle14.5000 DEGREES
teeth_quantity20
style_designatorPROTRUDING HUB
face_nominal_width0.156 INCHES IN
nominal_outside_diameter0.687 INCHES IN
material_document_and_classificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3020-01-160-6514
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN 4L19 MFR GEAR,SPUR
KEY FEATURES
•
TEETH QUANTITY: 20
•
BORE STYLE: PLAIN BOTH ENDS
•
STYLE DESIGNATOR: PROTRUDING HUB
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
PITCH DIAMETER: 0.6250 INCHES NOMINAL IN
•
NOMINAL OUTSIDE DIAMETER: 0.687 INCHES IN
•
PRESSURE ANGLE: 14.5000 DEGREES
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
TEETH QUANTITY20
BORE STYLEPLAIN BOTH ENDS
STYLE DESIGNATORPROTRUDING HUB
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PITCH DIAMETER0.6250 INCHES NOMINAL IN
NOMINAL OUTSIDE DIAMETER0.687 INCHES IN
PRESSURE ANGLE14.5000 DEGREES
MATERIALSTEEL OVERALL
FACE NOMINAL WIDTH0.156 INCHES IN
OTHER ITEMS IN FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3020-00-000-0091 3020-00-001-0027 3020-00-001-0028 3020-00-001-0063 3020-00-001-0064 3020-00-001-0066 3020-00-001-0071 3020-00-001-0072
SUBSTITUTES & CROSS-REFERENCES 1
UL9102-1PC45Reference document
Same NSN cross-reference
Reference document — Secondary 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 4L19?
4L19 is a GEAR,SPUR.
What parts can replace 4L19?
There is 1 known substitute for 4L19: UL9102-1PC45. Substitute compatibility should be verified for your specific system.
What is the NSN for 4L19?
4L19 is cataloged in the U.S. Government catalog under NSN 3020-01-160-6514. 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.