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GRTCBRH5309-312 — PILOT,COUNTERBORE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

GRTCBRH5309-312: PILOT,COUNTERBORE.

The PILOT,COUNTERBORE is a the manufacturer industrial component. Key specifications include shank_type: STRAIGHT, head_length: 0.312 INCHES NOMINAL IN, head_diameter: 0.309 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3460-01-105-5595, 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
GRTCBRH5309-312
NSN: 3460-01-105-5595
FSC: 3460 — Machine Tool Accessories
CAGE: 57983 — GREER AERO LLC (USA)
SPECIFICATIONS
shank_typeSTRAIGHT
head_length0.312 INCHES NOMINAL IN
head_diameter0.309 INCHES NOMINAL IN
NSN3460-01-105-5595
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PILOT,COUNTERBORE TITLE COMPONENT PN GRTCBRH5309-312 MFR PILOT,COUNTERBORE
KEY FEATURES
•
SHANK TYPE: STRAIGHT
•
HEAD LENGTH: 0.312 INCHES NOMINAL IN
•
HEAD DIAMETER: 0.309 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHANK TYPESTRAIGHT
HEAD LENGTH0.312 INCHES NOMINAL IN
HEAD DIAMETER0.309 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3460 — Machine Tool Accessories
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3460-00-001-1300 3460-00-001-7871 3460-00-001-9259 3460-00-003-1938 3460-00-003-3354 3460-00-003-7100 3460-00-004-1003 3460-00-004-3825
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 GRTCBRH5309-312?
GRTCBRH5309-312 is a PILOT,COUNTERBORE.
What is the NSN for GRTCBRH5309-312?
GRTCBRH5309-312 is cataloged in the U.S. Government catalog under NSN 3460-01-105-5595. 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.