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Technical Data Sheet
PartsTable / COMPONENT / 600870-1 ITEM 1
600870-1 ITEM 1 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include body_style: CYLINDRICAL BUSHING MOUNTED, body_length: 2.000 INCHES NOMINAL IN, shaft_style: ROUND, shaft_length: 0.812 INCHES NOMINAL IN, actuator_type: SINGLE SHAFT, body_diameter: 1.812 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 3120-01-272-3278, 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
600870-1 ITEM 1
NSN: 3120-01-272-3278
FSC: 3120
CAGE: 25204 — ADMIRAL FILTER COMPANY LLC (USA)
SPECIFICATIONS
body_styleCYLINDRICAL BUSHING MOUNTED
body_length2.000 INCHES NOMINAL IN
shaft_styleROUND
shaft_length0.812 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
body_diameter1.812 INCHES NOMINAL IN
lateral_runout0.003 INCHES IN
shaft_diameter0.375 INCHES NOMINAL IN
shaft_end_play0.00500 INCHES IN
mounting_methodSTANDARD BUSHING
section_quantity1
shaft_radial_play0.003 INCHES IN
NSN3120-01-272-3278
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 600870-1 ITEM 1 · 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 3
202817Interchangeable
interchangeable cross-reference
interchangeable
170865Interchangeable
interchangeable cross-reference
interchangeable
AR1KL25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 600870-1 ITEM 1?
600870-1 ITEM 1 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace 600870-1 ITEM 1?
There are 3 known substitutes for 600870-1 ITEM 1: 202817, 170865, AR1KL25. Substitute compatibility should be verified for your specific system.
What is the NSN for 600870-1 ITEM 1?
600870-1 ITEM 1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-272-3278. 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