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PartsTable / COMPONENT / DS-B-90291 ITEM 8
DS-B-90291 ITEM 8 ✓ 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 TAB/FLANGE MOUNTED, body_length: 0.453 INCHES NOMINAL IN, actuator_type: FLUSH DRIVE WITH SLOT-HOLE, body_diameter: 0.813 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S), special_features: RESISTANCE SET BY SUNKEN SCREW. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-401-5397, 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
DS-B-90291 ITEM 8
NSN: 3120-01-401-5397
FSC: 3120
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
body_styleCYLINDRICAL TAB/FLANGE MOUNTED
body_length0.453 INCHES NOMINAL IN
actuator_typeFLUSH DRIVE WITH SLOT-HOLE
body_diameter0.813 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
section_quantity1
special_featuresRESISTANCE SET BY SUNKEN SCREW
terminal_locationREAR END LOCATION NOT OTHERWISE SPECIFIED
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter0.136 INCHES NOMINAL IN
mounting_facility_quantity2
terminal_type_and_quantity3 TURRET
NSN3120-01-401-5397
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: DS-B-90291 ITEM 8 · 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
215-25Interchangeable
interchangeable cross-reference
interchangeable
301-438Interchangeable
interchangeable cross-reference
interchangeable
DS-B-90428 ITEM 8Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DS-B-90291 ITEM 8?
DS-B-90291 ITEM 8 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace DS-B-90291 ITEM 8?
There are 3 known substitutes for DS-B-90291 ITEM 8: 215-25, 301-438, DS-B-90428 ITEM 8. Substitute compatibility should be verified for your specific system.
What is the NSN for DS-B-90291 ITEM 8?
DS-B-90291 ITEM 8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-401-5397. 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