PartsTable
Technical Data Sheet
PartsTable / MRO / B305
B305 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BACKSHELL,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON OR PLASTIC VINYL INSULATION, largest_width: 0.478 INCHES ALL ENDS IN, overall_width: 0.456 INCHES IN, overall_length: 1.466 INCHES IN, basic_shape_style: CRIMP, surface_treatment: TIN OVERALL EXCEPT INSULATION SINGLE LAYER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-073-6404, 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→ B305
NSN: 3120-00-073-6404
FSC: 3120
CAGE: 30793 — INSINGER MACHINE CO (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OR PLASTIC VINYL INSULATION
largest_width0.478 INCHES ALL ENDS IN
overall_width0.456 INCHES IN
overall_length1.466 INCHES IN
basic_shape_styleCRIMP
surface_treatmentTIN OVERALL EXCEPT INSULATION SINGLE LAYER
material_thickness0.061 INCHES IN
mounting_method_styleRING
mounting_tongue_width0.456 INCHES IN
mounting_hole_diameter0.268 INCHES IN
identification_code_colorRED
mounting_facility_thickness0.061 INCHES IN
NSN3120-00-073-6404
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: B305 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONINSINGER DOUBLE TANK DISHWASHING MACHINES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
R3032BInterchangeable
interchangeable cross-reference
interchangeable
B305Interchangeable
interchangeable cross-reference
interchangeable
2L-8058Interchangeable
interchangeable cross-reference
interchangeable
79C0053-00Interchangeable
interchangeable cross-reference
interchangeable
7171BE-Q70Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B305?
B305 is a BACKSHELL,ELECTRICAL CONNECTOR. It is classified as a MRO (MRO_GENERAL).
What parts can replace B305?
There are 5 known substitutes for B305: R3032B, B305, 2L-8058 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B305?
B305 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-073-6404. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026