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B5551A — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

B5551A: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include pressure_angle: 20.0000 DEGREES, teeth_quantity: 32. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-258-5207, 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
B5551A
NSN: 3020-01-258-5207
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
pressure_angle20.0000 DEGREES
teeth_quantity32
NSN3020-01-258-5207
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN B5551A MFR GEAR,SPUR
KEY FEATURES
•
TEETH QUANTITY: 32
•
PRESSURE ANGLE: 20.0000 DEGREES
TECHNICAL CHARACTERISTICS
TEETH QUANTITY32
PRESSURE ANGLE20.0000 DEGREES
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B5551A?
B5551A is a GEAR,SPUR.
What is the NSN for B5551A?
B5551A is cataloged in the U.S. Government catalog under NSN 3020-01-258-5207. 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.