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Technical Data Sheet
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27690 — Technical Data Sheet

✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include material: STEEL OVERALL, bore_style: INVOLUTE SPLINE BOTH ENDS, cone_width: 1.0000 INCHES NOMINAL IN, body_length: 0.250 INCHES MAXIMUM IN, bore_diameter: 3.2813 INCHES NOMINAL IN, rating_method: WINDING TURNS SINGLE COMPONENT SINGLE WINDING. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-100-3556, 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
27690
NSN: 3110-00-100-3556
FSC: 3110
CAGE: D3057 — TIMKEN EUROPA GMBH (DEU)
SPECIFICATIONS
materialSTEEL OVERALL
bore_styleINVOLUTE SPLINE BOTH ENDS
cone_width1.0000 INCHES NOMINAL IN
body_length0.250 INCHES MAXIMUM IN
bore_diameter3.2813 INCHES NOMINAL IN
rating_methodWINDING TURNS SINGLE COMPONENT SINGLE WINDING
turn_quantity29 SINGLE COMPONENT SINGLE WINDING
inclosure_typeOPEN
stage_quantity2
inductance_typeFIXED
mounting_methodTERMINAL SINGLE GROUP
style_designatorPROTRUDING HUBS
NSN3110-00-100-3556
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 27690 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 3.2813 INCHES NOMINAL IN
•
CONE WIDTH: 1.0000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER3.2813 INCHES NOMINAL IN
CONE WIDTH1.0000 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
68157InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
30-23-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3523-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
160C136102-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SM-C-852258InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
HY2560InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 27690?
27690 is a RESISTOR,FIXED,WIRE WOUND,INDUCT.
What parts can replace 27690?
There are 16 known substitutes for 27690: 68157, 30-23-1, 3523-1 and 13 more. Substitute compatibility should be verified for your specific system.
Is 27690 still available?
27690 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026