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11-3-18 — COIL,RADIO FREQUENCY

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

11-3-18: COIL,RADIO FREQUENCY.

The COIL,RADIO FREQUENCY is a Jumbo industrial component. Key specifications include material: STEEL OVERALL, overall_length: 1.135 INCHES NOMINAL IN, drive_end_shape: SQUARE SINGLE END INTERNAL, special_features: STANDARD LENGTH, style_designator: INTERNAL-INTERNAL, features_provided: MANUAL TOOL. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-051-8042, 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→ 11-3-18
NSN: 3110-00-051-8042
NIINs: 000518042, 002894052, 005426092, 005867188, 007946953, 008871544, 009109665, 009577954, 010460163, 010576072, 011706062, 013033287, 013973183, 014307660, 015346497
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 1Z473 — PAKON INC DBA IMPAK DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length1.135 INCHES NOMINAL IN
drive_end_shapeSQUARE SINGLE END INTERNAL
special_featuresSTANDARD LENGTH
style_designatorINTERNAL-INTERNAL
features_providedMANUAL TOOL
surface_treatmentCHROMIUM OVERALL
drive_surface_size0.375 INCHES NOMINAL SINGLE END IN
wrenching_surface_size18.0 MILLIMETERS NOMINAL SINGLE END MM
wrenching_surface_shape12 POINT SINGLE END INTERNAL
NSN3110-00-051-8042
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 11-3-18 · Jumbo ⚠ 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
•
ROLLING ELEMENT DIAMETER: 2.0620 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL ROLLER, FLAT ENDS
•
MATERIAL: COPPER ALLOY AND RUBBER OVERALL
TECHNICAL CHARACTERISTICS
ROLLING ELEMENT DIAMETER2.0620 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL ROLLER, FLAT ENDS
OVERALL LENGTH1.2500 INCHES NOMINAL IN
MATERIALCOPPER ALLOY AND RUBBER OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
GW18Reference document
Same NSN cross-reference
Reference document — Secondary reference
11-18Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11-3-18?
11-3-18 is a COIL,RADIO FREQUENCY manufactured by Jumbo. It is classified as a MRO (MRO_GENERAL).
What parts can replace 11-3-18?
There are 2 known substitutes for 11-3-18: GW18, 11-18. Substitute compatibility should be verified for your specific system.
What is the NSN for 11-3-18?
11-3-18 is cataloged in the U.S. Government catalog under NSN 3110-00-051-8042. 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.