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115990 ✓ 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

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, ring_style: CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.2480 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN, surface_treatment: CHROMIUM OVERALL, fsc_application_data: DIESEL ENGINE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-00-402-5111, 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
115990
NSN: 3130-00-402-5111
FSC: 3130
CAGE: 04627 — HYSTER-YALE GROUP, INC. DIV HYSTER-YALE MATERIALS HANDLING (USA)
SPECIFICATIONS
materialIRON OVERALL
ring_styleCONCENTRIC
joint_styleVERTICAL JOINT
overall_width0.2480 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN
surface_treatmentCHROMIUM OVERALL
fsc_application_dataDIESEL ENGINE
radial_wall_thickness0.1350 INCHES MINIMUM AND 0.1450 INCHES MAXIMUM IN
standard_bore_diameter5.125 INCHES IN
cross-sectional_shape_styleCONVEX FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
oil_passage_type_and_quantity1 GROOVE OUTSIDE PERIPHERY
NSN3130-00-402-5111
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 115990 · 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 15
HF15-5-770HMP0RM1PCTInterchangeable
interchangeable cross-reference
interchangeable
115-001Interchangeable
interchangeable cross-reference
interchangeable
216-01682-1Interchangeable
interchangeable cross-reference
interchangeable
2-027 E540-80Interchangeable
interchangeable cross-reference
interchangeable
AS568B-125/SAE 10R1 GR R81Interchangeable
interchangeable cross-reference
interchangeable
45826Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 115990?
115990 is a RING,PISTON.
What parts can replace 115990?
There are 15 known substitutes for 115990: HF15-5-770HMP0RM1PCT, 115-001, 216-01682-1 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 115990?
115990 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-00-402-5111. 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