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B566-304 — GEAR,BEVEL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

B566-304: GEAR,BEVEL.

The GEAR,BEVEL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, teeth_type: STRAIGHT, pitch_angle: 26.5665 DEGREES, pitch_diameter: 0.6250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-892-2536, 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
B566-304
NSN: 3020-00-892-2536
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 34228 — L3 TECHNOLOGIES, INC. DIV L3 KEO (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
body_stylePLAIN, SOLID
bore_stylePLAIN BOTH ENDS
teeth_typeSTRAIGHT
pitch_angle26.5665 DEGREES
pitch_diameter0.6250 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity20
style_designatorPERIPHERAL FACE, BACK HUB PROTRUDING
surface_treatmentPASSIVATE OVERALL
face_nominal_width0.1870 INCHES IN
backlash_designationGRADE C
NSN3020-00-892-2536
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,BEVEL TITLE COMPONENT PN B566-304 MFR GEAR,BEVEL
KEY FEATURES
•
BORE NOMINAL DIAMETER: 0.2498 INCHES BOTH ENDS IN
•
HUB NOMINAL DIAMETER: 0.5000 INCHES SECOND END IN
•
BACKLASH DESIGNATION: GRADE C
•
TEETH QUANTITY: 20
•
BODY STYLE: PLAIN, SOLID
•
PITCH ANGLE: 26.5665 DEGREES
•
BORE STYLE: PLAIN BOTH ENDS
•
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.1875 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER0.2498 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER0.5000 INCHES SECOND END IN
BACKLASH DESIGNATIONGRADE C
TEETH QUANTITY20
BODY STYLEPLAIN, SOLID
PITCH ANGLE26.5665 DEGREES
BORE STYLEPLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.1875 INCHES SECOND END IN
PRECISION CLASSIFICATIONQUALITY NUMBER 10
TEETH TYPESTRAIGHT
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
566B004938Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is B566-304?
B566-304 is a GEAR,BEVEL.
What parts can replace B566-304?
There is 1 known substitute for B566-304: 566B004938. Substitute compatibility should be verified for your specific system.
What is the NSN for B566-304?
B566-304 is cataloged in the U.S. Government catalog under NSN 3020-00-892-2536. 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.