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618849 — RESISTOR,FIXED,WIRE WOUND,INDUCT

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

618849: RESISTOR,FIXED,WIRE WOUND,INDUCT.

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include material: COPPER ALLOY THREADED PORTION, overall_height: 15.4 MILLIMETERS NOMINAL MM, thread_diameter: 19.5 MILLIMETERS NOMINAL MM, outside_diameter: 22.0 MILLIMETERS NOMINAL MM, style_designator: VENTED THREADED TYPE (INTERNAL), end_item_identification: 7310-01-310-5155. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-293-8998, 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
618849
NSN: 3110-00-293-8998
NIINs: 002938998, 004957698, 013569069
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialCOPPER ALLOY THREADED PORTION
overall_height15.4 MILLIMETERS NOMINAL MM
thread_diameter19.5 MILLIMETERS NOMINAL MM
outside_diameter22.0 MILLIMETERS NOMINAL MM
style_designatorVENTED THREADED TYPE (INTERNAL)
end_item_identification7310-01-310-5155
thread_series_designatorISO M
thread_pitch_in_millimeters1.60
filler_neck_diameter_for_which_designed19.5 MILLIMETERS NOMINAL MM
NSN3110-00-293-8998
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 618849 · 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
SUBSTITUTES & CROSS-REFERENCES 8
3110002938998Reference document
Same NSN cross-reference
Reference document — Informative reference only
HM212049Reference document
Same NSN cross-reference
Reference document — Secondary reference
TMHM212049Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
C6TZ1240AReference document
Same NSN cross-reference
Reference document — Secondary reference
3-2707-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
212049Reference 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 618849?
618849 is a RESISTOR,FIXED,WIRE WOUND,INDUCT.
What parts can replace 618849?
There are 8 known substitutes for 618849: 3110002938998, HM212049, TMHM212049 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 618849?
618849 is cataloged in the U.S. Government catalog under NSN 3110-00-293-8998. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.