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ST 12URN3 — BAR,BORING TOOL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

ST 12URN3: BAR,BORING TOOL.

The BAR,BORING TOOL is a the manufacturer industrial component. Key specifications include length: 10.000 INCHES NOMINAL IN, bushing: NOT INCLUDED, diameter: 0.750 INCHES NOMINAL IN, design_type: INSERTED CUTTER, shank_shape: STRAIGHT, overall_width: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3460-01-051-7555, 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
ST 12URN3
NSN: 3460-01-051-7555
FSC: 3460 — Machine Tool Accessories
CAGE: 85597 — KENNAMETAL INC (USA)
SPECIFICATIONS
length10.000 INCHES NOMINAL IN
bushingNOT INCLUDED
diameter0.750 INCHES NOMINAL IN
design_typeINSERTED CUTTER
shank_shapeSTRAIGHT
overall_width0.375 INCHES NOMINAL IN
overall_length0.5465 INCHES NOMINAL IN
expanding_featureNOT INCLUDED
cutter_locking_methodSET SCREW
cutter_opening_locationONE END
cutter_opening_quantity1
cutter_opening_angle_in_deg10.0
NSN3460-01-051-7555
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BAR,BORING TOOL TITLE COMPONENT PN ST 12URN3 MFR BAR,BORING TOOL
KEY FEATURES
•
CUTTER OPENING ANGLE IN DEG: 10.0
•
LENGTH: 10.000 INCHES NOMINAL IN
•
DESIGN TYPE: INSERTED CUTTER
•
CUTTER OPENING QUANTITY: 1
•
CUTTER LOCKING METHOD: SET SCREW
•
CUTTER OPENING LOCATION: ONE END
•
CUTTER BIT SHAPE ACCOMMODATED: TRIANGULAR
•
DIAMETER: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CUTTER OPENING ANGLE IN DEG10.0
LENGTH10.000 INCHES NOMINAL IN
DESIGN TYPEINSERTED CUTTER
CUTTER OPENING QUANTITY1
CUTTER LOCKING METHODSET SCREW
CUTTER OPENING LOCATIONONE END
CUTTER BIT SHAPE ACCOMMODATEDTRIANGULAR
DIAMETER0.750 INCHES NOMINAL IN
OVERALL LENGTH0.5465 INCHES NOMINAL IN
OVERALL WIDTH0.375 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
S12-STUNR3Reference document
Same NSN cross-reference
Reference document — Secondary reference
B1606Reference 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 ST 12URN3?
ST 12URN3 is a BAR,BORING TOOL.
What parts can replace ST 12URN3?
There are 2 known substitutes for ST 12URN3: S12-STUNR3, B1606. Substitute compatibility should be verified for your specific system.
What is the NSN for ST 12URN3?
ST 12URN3 is cataloged in the U.S. Government catalog under NSN 3460-01-051-7555. 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.