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394B — CAPACITOR,VARIABLE,AIR DIELECTRI

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

394B: CAPACITOR,VARIABLE,AIR DIELECTRI.

CAPACITOR,VARIABLE,AIR DIELECTRI. Key specifications include material: STEEL CORROSION RESISTING FILTERING MEDIUM, mesh_size: 100.0, bore_shape: STRAIGHT, shaft_type: ROUND, SLOTTED SINGLE SHAFT, body_length: 3.125 INCHES NOMINAL IN, temp_rating: 410.0 FAHRENHEIT NOMINAL DEGF. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-144-8499, 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
MRO→ MRO_GENERAL→ 394B
NSN: 3110-00-144-8499
NIINs: 001448499, 002286091, 002895280, 015125182
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 30760 — INGERSOLL RAND CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING FILTERING MEDIUM
mesh_size100.0
bore_shapeSTRAIGHT
shaft_typeROUND, SLOTTED SINGLE SHAFT
body_length3.125 INCHES NOMINAL IN
temp_rating410.0 FAHRENHEIT NOMINAL DEGF
shaft_length0.562 INCHES NOMINAL SINGLE SHAFT IN
bore_diameter15.00 MILLIMETERS NOMINAL MM
mounting_typeINLET CONNECTION AND OUTLET CONNECTION LINE
overall_width13.0 MILLIMETERS NOMINAL MM
wire_diameter0.005 INCHES NOMINAL IN
inclosure_typeUNINCLOSED
NSN3110-00-144-8499
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 394B · 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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 42.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
NONDEFINITIVE SPEC/STD DATA: 111 TYPE AND 1 CLASS AND 00 GRADE
•
LOAD DIRECTION: RADIAL
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH13.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER42.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
NONDEFINITIVE SPEC/STD DATA111 TYPE AND 1 CLASS AND 00 GRADE
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER15.00 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 9
13228Reference document
Same NSN cross-reference
Reference document — Secondary reference
517-30Reference document
Same NSN cross-reference
Reference document — Secondary reference
18003-104Reference document
Same NSN cross-reference
Reference document — Secondary reference
MC2090Reference document
Same NSN cross-reference
Reference document — Secondary reference
65255Reference document
Same NSN cross-reference
Reference document — Secondary reference
MRC302KRReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 394B?
394B is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).
What parts can replace 394B?
There are 9 known substitutes for 394B: 13228, 517-30, 18003-104 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 394B?
394B is cataloged in the U.S. Government catalog under NSN 3110-00-144-8499. This indicates validated use in U.S. government and defense supply chains.
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