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283904 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

283904: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: THREADED INTERNAL PIPE SECOND END, connection_style: FLARED (GAS FITTING) SECOND END, nominal_thread_size: 1.500 INCHES FIRST END IN, nominal_overall_length: 2.690 INCHES IN, end_item_identification: CREW SHELTER (INLS). This part is cataloged in the U.S.

Government catalog under NSN 3110-00-076-4408, 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
283904
NSN: 3110-00-076-4408
NIINs: 000764408, 015332900
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 50643 — FISICA APPLIED TECHNOLOGIES, INC. DIV RANDTRON ANTENNA SYSTEMS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeTHREADED INTERNAL PIPE SECOND END
connection_styleFLARED (GAS FITTING) SECOND END
nominal_thread_size1.500 INCHES FIRST END IN
nominal_overall_length2.690 INCHES IN
end_item_identificationCREW SHELTER (INLS)
thread_quantity_per_inch12 SECOND END
thread_series_designatorNPT FIRST END
part_name_assigned_by_controlling_agencyVALVE OUTLET ADAPTER
NSN3110-00-076-4408
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 283904 · 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: 5.0000 INCHES NOMINAL IN
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.3750 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER5.0000 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER4.2500 INCHES NOMINAL IN
MATERIALSTEEL OUTER RING
SUBSTITUTES & CROSS-REFERENCES 1
KC42CPReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 283904?
283904 is a BEARING,BALL,ANNULAR.
What parts can replace 283904?
There is 1 known substitute for 283904: KC42CP. Substitute compatibility should be verified for your specific system.
What is the NSN for 283904?
283904 is cataloged in the U.S. Government catalog under NSN 3110-00-076-4408. This indicates validated use in U.S. government and defense supply chains.
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