AT408C-4 — CUTTER,COUNTERSINK

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

AT408C-4: CUTTER,COUNTERSINK.

The CUTTER,COUNTERSINK is a the manufacturer industrial component. Key specifications include shank_style: STRAIGHT ROUND, body_diameter: 0.375 INCHES NOMINAL IN, included_angle: 100.0 DEGREES NOMINAL, shank_diameter: 0.250 INCHES NOMINAL IN, cutting_end_style: SPIRAL FLUTE POINT END. This part is cataloged in the U.S.

Government catalog under NSN 5133-01-428-5680, 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

AT408C-4

NSN: 5133-01-428-5680
FSC: 5133 — Drill Bits, Counterbores, and Countersinks: Hand and Machine
CAGE: 00784 — SNAP-ON INCORPORATED DBA SNAP-ON TOOLS DIV SNAP-ON INDUSTRIAL, SPECIAL PRODUCTS DIVISION (USA)

SPECIFICATIONS

shank_style	STRAIGHT ROUND
body_diameter	0.375 INCHES NOMINAL IN
flute_quantity	3
included_angle	100.0 DEGREES NOMINAL
shank_diameter	0.250 INCHES NOMINAL IN
cutting_end_style	SPIRAL FLUTE POINT END
NSN	5133-01-428-5680

COMPONENT DIAGRAM

KEY FEATURES

•

SHANK DIAMETER: 0.250 INCHES NOMINAL IN

•

BODY DIAMETER: 0.375 INCHES NOMINAL IN

•

CUTTING END STYLE: SPIRAL FLUTE POINT END

•

SHANK STYLE: STRAIGHT ROUND

•

FLUTE QUANTITY: 3

•

INCLUDED ANGLE: 100.0 DEGREES NOMINAL

TECHNICAL CHARACTERISTICS

SHANK DIAMETER	0.250 INCHES NOMINAL IN
BODY DIAMETER	0.375 INCHES NOMINAL IN
CUTTING END STYLE	SPIRAL FLUTE POINT END
SHANK STYLE	STRAIGHT ROUND
FLUTE QUANTITY	3
INCLUDED ANGLE	100.0 DEGREES NOMINAL

OTHER ITEMS IN FSC 5133 — Drill Bits, Counterbores, and Countersinks: Hand and Machine

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5133-00-001-1296 5133-00-001-1298 5133-00-005-2258 5133-00-005-7727 5133-00-005-8710 5133-00-005-8711 5133-00-005-8712 5133-00-005-8713

SUBSTITUTES & CROSS-REFERENCES 1

ATI408C-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 AT408C-4?

AT408C-4 is a CUTTER,COUNTERSINK.

What parts can replace AT408C-4?

There is 1 known substitute for AT408C-4: ATI408C-4. Substitute compatibility should be verified for your specific system.

What is the NSN for AT408C-4?

AT408C-4 is cataloged in the U.S. Government catalog under NSN 5133-01-428-5680. This indicates validated use in U.S. government and defense supply chains.

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