PartsTable
Technical Data Sheet
PartsTable / MRO / B300
B300 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

RECTIFIER,SEMICONDUCTOR DEVICE,U. Key specifications include color: BEIGE OVERALL, weight: 3.000 OUNCES OZ, material: PLASTIC POLYAMIDE NYLON CANOPY, duty_type: CONTINUOUS, tool_type: MARLIN SPIKE, memory_size: 1.0 GIGABYTES. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6772, 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
MRO→ MRO_GENERAL→ B300
NSN: 3110-00-155-6772
FSC: 3110
CAGE: 45054 — ORTON-MCCULLOUGH CRANE CO (USA)
SPECIFICATIONS
colorBEIGE OVERALL
weight3.000 OUNCES OZ
materialPLASTIC POLYAMIDE NYLON CANOPY
duty_typeCONTINUOUS
tool_typeMARLIN SPIKE
memory_size1.0 GIGABYTES
unit_designPORTABLE
blade_length2.875 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN
canopy_shapeSQUARE
garment_size6
shank_length0.469 INCHES NOMINAL IN
usage_designGENERAL SURGERY
NSN3110-00-155-6772
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B300 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
149-966Interchangeable
interchangeable cross-reference
interchangeable
149C966Interchangeable
interchangeable cross-reference
interchangeable
149-0966Interchangeable
interchangeable cross-reference
interchangeable
90721-2Interchangeable
interchangeable cross-reference
interchangeable
630932Interchangeable
interchangeable cross-reference
interchangeable
255593Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B300?
B300 is a RECTIFIER,SEMICONDUCTOR DEVICE,U. It is classified as a MRO (MRO_GENERAL).
What parts can replace B300?
There are 28 known substitutes for B300: 149-966, 149C966, 149-0966 and 25 more. Substitute compatibility should be verified for your specific system.
Is B300 still available?
B300 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026