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ACST3C4 — CUTTER,COUNTERSINK

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

ACST3C4: 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
ACST3C4
NSN: 5133-01-428-5680
FSC: 5133 — Drill Bits, Counterbores, and Countersinks: Hand and Machine
CAGE: 55719 — IDSC HOLDINGS LLC DIV SNAP-ON INDUSTRIAL, A DIV. OF IDSC HOLDINGS , LLC (USA)
SPECIFICATIONS
shank_styleSTRAIGHT ROUND
body_diameter0.375 INCHES NOMINAL IN
flute_quantity3
included_angle100.0 DEGREES NOMINAL
shank_diameter0.250 INCHES NOMINAL IN
cutting_end_styleSPIRAL FLUTE POINT END
NSN5133-01-428-5680
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CUTTER,COUNTERSINK TITLE COMPONENT PN ACST3C4 MFR CUTTER,COUNTERSINK
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 DIAMETER0.250 INCHES NOMINAL IN
BODY DIAMETER0.375 INCHES NOMINAL IN
CUTTING END STYLESPIRAL FLUTE POINT END
SHANK STYLESTRAIGHT ROUND
FLUTE QUANTITY3
INCLUDED ANGLE100.0 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 2
ATI408C-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
AT408C-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 ACST3C4?
ACST3C4 is a CUTTER,COUNTERSINK.
What parts can replace ACST3C4?
There are 2 known substitutes for ACST3C4: ATI408C-4, AT408C-4. Substitute compatibility should be verified for your specific system.
What is the NSN for ACST3C4?
ACST3C4 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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✓ 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.