C46498 — COUNTERBORE,MACHINE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

C46498: COUNTERBORE,MACHINE.

The COUNTERBORE,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_style: STANDARD TAPER W/TANG, overall_length: 6.625 INCHES NOMINAL IN, pilot_diameter: 0.438 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN, cutting_end_style: INTERCHANGEABLE PILOT, features_provided: REPLACEABLE PILOT. This part is cataloged in the U.S.

Government catalog under NSN 5133-01-372-9850, 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

C46498

NSN: 5133-01-372-9850
FSC: 5133 — Drill Bits, Counterbores, and Countersinks: Hand and Machine
CAGE: 1NEX4 — KENNAMETAL INC. DIV KENNAMETAL INDUSTRIAL PRODUCTS GROUP (USA)

SPECIFICATIONS

material	STEEL OVERALL
shank_style	STANDARD TAPER W/TANG
flute_quantity	5
overall_length	6.625 INCHES NOMINAL IN
pilot_diameter	0.438 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
cutting_end_style	INTERCHANGEABLE PILOT
features_provided	REPLACEABLE PILOT
nominal_cutting_diameter	1.2500 INCHES IN
pilot_hole_nominal_diameter	0.375 INCHES IN
taper_shank_size_designator	3 MORSE
NSN	5133-01-372-9850

COMPONENT DIAGRAM

KEY FEATURES

•

CUTTING END STYLE: INTERCHANGEABLE PILOT

•

TAPER SHANK SIZE DESIGNATOR: 3 MORSE

•

NOMINAL CUTTING DIAMETER: 1.2500 INCHES IN

•

FEATURES PROVIDED: REPLACEABLE PILOT

•

PILOT DIAMETER: 0.438 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN

•

SHANK STYLE: STANDARD TAPER W/TANG

•

PILOT HOLE NOMINAL DIAMETER: 0.375 INCHES IN

TECHNICAL CHARACTERISTICS

CUTTING END STYLE	INTERCHANGEABLE PILOT
TAPER SHANK SIZE DESIGNATOR	3 MORSE
OVERALL LENGTH	6.625 INCHES NOMINAL IN
NOMINAL CUTTING DIAMETER	1.2500 INCHES IN
FEATURES PROVIDED	REPLACEABLE PILOT
PILOT DIAMETER	0.438 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
SHANK STYLE	STANDARD TAPER W/TANG
PILOT HOLE NOMINAL DIAMETER	0.375 INCHES IN
FLUTE QUANTITY	5
MATERIAL	STEEL OVERALL

SUBSTITUTES & CROSS-REFERENCES 2

46498Reference document

Same NSN cross-reference

Reference document — Secondary reference

878 1-1/4Reference 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 C46498?

C46498 is a COUNTERBORE,MACHINE.

What parts can replace C46498?

There are 2 known substitutes for C46498: 46498, 878 1-1/4. Substitute compatibility should be verified for your specific system.

What is the NSN for C46498?

C46498 is cataloged in the U.S. Government catalog under NSN 5133-01-372-9850. This indicates validated use in U.S. government and defense supply chains.

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C46498 — COUNTERBORE,MACHINE

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