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PartsTable / COMPONENT / 2978-08PC3856C
2978-08PC3856C ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The BAR,BORING TOOL is a the manufacturer industrial component. Key specifications include length: 7.000 INCHES NOMINAL IN, bushing: NOT INCLUDED, diameter: 0.375 INCHES NOMINAL IN, design_type: INTEGRAL CUTTER, shank_shape: STRAIGHT, purpose_for_which_ground: INTERNAL GROOVING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3460-00-263-2930, 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
2978-08PC3856C
NSN: 3460-00-263-2930
FSC: 3460
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
length7.000 INCHES NOMINAL IN
bushingNOT INCLUDED
diameter0.375 INCHES NOMINAL IN
design_typeINTEGRAL CUTTER
shank_shapeSTRAIGHT
purpose_for_which_groundINTERNAL GROOVING
cutting_end_angle_to_horizontal_bar_axis_in_deg90.0
NSN3460-00-263-2930
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BAR,BORING TOOL TITLE COMPONENT PN 2978-08PC3856C MFR BAR,BORING TOOL
KEY FEATURES
•
SHANK SHAPE: STRAIGHT
•
DIAMETER: 0.375 INCHES NOMINAL IN
•
BUSHING: NOT INCLUDED
•
LENGTH: 7.000 INCHES NOMINAL IN
•
PURPOSE FOR WHICH GROUND: INTERNAL GROOVING
•
DESIGN TYPE: INTEGRAL CUTTER
•
CUTTING END ANGLE TO HORIZONTAL BAR AXIS IN DEG: 90.0
TECHNICAL CHARACTERISTICS (FLIS)
SHANK SHAPESTRAIGHT
DIAMETER0.375 INCHES NOMINAL IN
BUSHINGNOT INCLUDED
LENGTH7.000 INCHES NOMINAL IN
PURPOSE FOR WHICH GROUNDINTERNAL GROOVING
DESIGN TYPEINTEGRAL CUTTER
CUTTING END ANGLE TO HORIZONTAL BAR AXIS IN DEG90.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
8144Interchangeable
interchangeable cross-reference
interchangeable
F250SInterchangeable
interchangeable cross-reference
interchangeable
22856Interchangeable
interchangeable cross-reference
interchangeable
81144Interchangeable
interchangeable cross-reference
interchangeable
10119956Interchangeable
interchangeable cross-reference
interchangeable
5691-3-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2978-08PC3856C?
2978-08PC3856C is a BAR,BORING TOOL.
What parts can replace 2978-08PC3856C?
There are 11 known substitutes for 2978-08PC3856C: 8144, F250S, 22856 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2978-08PC3856C?
2978-08PC3856C is cataloged in the Federal Logistics Information System (FLIS) under NSN 3460-00-263-2930. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026