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149549 — SWITCH,RADIO FREQUENCY TRANSMISS

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

149549: SWITCH,RADIO FREQUENCY TRANSMISS.

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include material: STEEL OVERALL, charger_type: DESKTOP, overall_width: 0.9688 INCHES NOMINAL IN, frequency_rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM, outside_diameter: 4.1250 INCHES NOMINAL IN, style_designator: NORMAL ANGLE. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-142-4387, 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
149549
NSN: 3110-00-142-4387
NIINs: 001424387, 016917894
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 08683 — BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
charger_typeDESKTOP
overall_width0.9688 INCHES NOMINAL IN
frequency_rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
outside_diameter4.1250 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
backface_corner_radius0.1250 INCHES NOMINAL IN
end_item_identificationMSI-8000 RF REMOTE DISPLAY
charging_voltage_in_volts115.0 MINIMUM AND 230.0 MAXIMUM
standard_tolerance_designationAFBMA CLASS 2
part_name_assigned_by_controlling_agencyBATTERY CHARGER
NSN3110-00-142-4387
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 149549 · 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
OUTSIDE DIAMETER: 4.1250 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNORMAL ANGLE
OVERALL WIDTH0.9688 INCHES NOMINAL IN
OUTSIDE DIAMETER4.1250 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
END ITEM IDENTIFICATION2420-66-148-7692, HMEE (HIGH MOBILITY ENGINEER EXCAVATOR); MRAP BUFFALO MK2A2
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 9
550426Reference document
Same NSN cross-reference
Reference document — Secondary reference
453XReference document
Same NSN cross-reference
Reference document — Secondary reference
233545Reference document
Same NSN cross-reference
Reference document — Secondary reference
50320R1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
280652Reference document
Same NSN cross-reference
Reference document — Secondary reference
742240Reference 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 149549?
149549 is a SWITCH,RADIO FREQUENCY TRANSMISS.
What parts can replace 149549?
There are 9 known substitutes for 149549: 550426, 453X, 233545 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 149549?
149549 is cataloged in the U.S. Government catalog under NSN 3110-00-142-4387. 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.