PartsTable
Technical Data Sheet

ZT156-26-1/4 — CUTTER,COUNTERSINK

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

ZT156-26-1/4: CUTTER,COUNTERSINK.

The CUTTER,COUNTERSINK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_style: EXTERNALLY THREADED, body_diameter: 0.875 INCHES NOMINAL IN, included_angle: 100.0 DEGREES NOMINAL, point_diameter: 0.250 INCHES NOMINAL IN, thread_quantity: 24 PER INCH. This part is cataloged in the U.S.

Government catalog under NSN 5133-01-104-8571, 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
ZT156-26-1/4
NSN: 5133-01-104-8571
FSC: 5133 — Drill Bits, Counterbores, and Countersinks: Hand and Machine
CAGE: 67179 — ZEPHYR MANUFACTURING CO., INC. DBA ZEPHYR MANUFACTURING CO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_styleEXTERNALLY THREADED
body_diameter0.875 INCHES NOMINAL IN
flute_quantity2
included_angle100.0 DEGREES NOMINAL
point_diameter0.250 INCHES NOMINAL IN
thread_quantity24 PER INCH
cutting_end_styleSPIRAL FLUTE BLUNT END
features_providedINTEGRAL PILOT
nominal_thread_diameter0.375 INCHES IN
thread_series_designatorUNF
NSN5133-01-104-8571
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CUTTER,COUNTERSINK TITLE COMPONENT PN ZT156-26-1/4 MFR CUTTER,COUNTERSINK
KEY FEATURES
•
BODY DIAMETER: 0.875 INCHES NOMINAL IN
•
POINT DIAMETER: 0.250 INCHES NOMINAL IN
•
CUTTING END STYLE: SPIRAL FLUTE BLUNT END
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
FEATURES PROVIDED: INTEGRAL PILOT
•
SHANK STYLE: EXTERNALLY THREADED
•
FLUTE QUANTITY: 2
•
INCLUDED ANGLE: 100.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS
BODY DIAMETER0.875 INCHES NOMINAL IN
POINT DIAMETER0.250 INCHES NOMINAL IN
CUTTING END STYLESPIRAL FLUTE BLUNT END
NOMINAL THREAD DIAMETER0.375 INCHES IN
FEATURES PROVIDEDINTEGRAL PILOT
SHANK STYLEEXTERNALLY THREADED
FLUTE QUANTITY2
INCLUDED ANGLE100.0 DEGREES NOMINAL
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNF
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ZT156-26-1/4?
ZT156-26-1/4 is a CUTTER,COUNTERSINK.
What is the NSN for ZT156-26-1/4?
ZT156-26-1/4 is cataloged in the U.S. Government catalog under NSN 5133-01-104-8571. 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.