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Technical Data Sheet
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855017B0531 — CHUCK,BIT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

855017B0531: CHUCK,BIT.

The CHUCK,BIT is a the manufacturer industrial component. Key specifications include end_item_identification: USMC ITWD DRILL P/N 855017W0454. This part is cataloged in the U.S.

Government catalog under NSN 3820-01-339-7919, 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
855017B0531
NSN: 3820-01-339-7919
FSC: 3820 — Mining, Rock Drilling, Earth Boring, and Related Equipment
CAGE: 01365 — MARINE CORPS SYSTEMS COMMAND DIV MARINE CORPS SYSTEMS COMMAND TECHNICAL DATA REPOSITORY CUSTOMER SERVICE (USA)
SPECIFICATIONS
end_item_identificationUSMC ITWD DRILL P/N 855017W0454
general_characteristics_item_description6.0IN. TRICONE,STEEL ASTM A36,1.00IN .THK,13.13IN.DIA W/3 INTERNAL NOTCHES EQUALLY SPACED APART,INSIDE OPENING TRI-LOPED APPROX 6.19IN.DIA IN
NSN3820-01-339-7919
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CHUCK,BIT TITLE COMPONENT PN 855017B0531 MFR CHUCK,BIT
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 6.0IN. TRICONE,STEEL ASTM A36,1.00IN .THK,13.13IN.DIA W/3 INTERNAL NOTCHES EQUALLY SPACED APART,INSIDE OPENING TRI-LOPED APPROX 6.19IN.DIA IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION6.0IN. TRICONE,STEEL ASTM A36,1.00IN .THK,13.13IN.DIA W/3 INTERNAL NOTCHES EQUALLY SPACED APART,INSIDE OPENING TRI-LOPED APPROX 6.19IN.DIA IN
END ITEM IDENTIFICATIONUSMC ITWD DRILL P/N 855017W0454
OTHER ITEMS IN FSC 3820 — Mining, Rock Drilling, Earth Boring, and Related Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3820-00-001-2056 3820-00-001-2057 3820-00-003-5931 3820-00-003-5932 3820-00-003-9916 3820-00-005-2318 3820-00-005-8675 3820-00-007-9025
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 855017B0531?
855017B0531 is a CHUCK,BIT.
What is the NSN for 855017B0531?
855017B0531 is cataloged in the U.S. Government catalog under NSN 3820-01-339-7919. 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.