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PartsTable / COMPONENT / 7377989
7377989 ✓ Verified by PartsTable
— · BALL BEARING
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

CONNECTOR BODY,RECEPTACLE,ELECTR. Key specifications include body_style: STRAIGHT SHAPE, overall_width: 0.560 INCHES NOMINAL IN, overall_height: 0.850 INCHES NOMINAL IN, overall_length: 1.630 INCHES NOMINAL IN, insert_material: PLASTIC PHENOLIC SINGLE MATING END, unthreaded_mounting_hole_diameter: 0.125 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-737-7989, 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
7377989
NSN: 3120-00-737-7989
FSC: 3120
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
body_styleSTRAIGHT SHAPE
overall_width0.560 INCHES NOMINAL IN
overall_height0.850 INCHES NOMINAL IN
overall_length1.630 INCHES NOMINAL IN
insert_materialPLASTIC PHENOLIC SINGLE MATING END
mating_end_quantity1
unthreaded_mounting_hole_diameter0.125 INCHES NOMINAL IN
contact_position_arrangement_style7 SINGLE MATING END
part_name_assigned_by_controlling_agencySPLINT TRACTION SLISHMAN UNIPOLAR
distance_between_mounting_facility_centers1.312 INCHES NOMINAL IN
insert_material_document_and_classificationMIL-M-14 MIL SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END
NSN3120-00-737-7989
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 7377989 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
50063-2Interchangeable
interchangeable cross-reference
interchangeable
10138167Interchangeable
interchangeable cross-reference
interchangeable
10060857-101Interchangeable
interchangeable cross-reference
interchangeable
10-0262Interchangeable
interchangeable cross-reference
interchangeable
1217355Interchangeable
interchangeable cross-reference
interchangeable
500631Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7377989?
7377989 is a CONNECTOR BODY,RECEPTACLE,ELECTR.
What parts can replace 7377989?
There are 6 known substitutes for 7377989: 50063-2, 10138167, 10060857-101 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7377989?
7377989 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-737-7989. 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