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Technical Data Sheet
261-640 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The DRILL,TWIST is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, point_type: SPLIT, point_angle: 118.0 DEGREES NOMINAL, shank_style: STRAIGHT ROUND, flute_length: 2.438 INCHES NOMINAL IN, overall_length: 3.625 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5133-01-095-6626, 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
261-640
NSN: 5133-01-095-6626
FSC: 5133
CAGE: 48521 — COLT INDUSTRIES OPERATING CORP PRATT AND WHITNEY MACHINE TOOL DIV
SPECIFICATIONS
materialSTEEL OVERALL
point_typeSPLIT
point_angle118.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
flute_length2.438 INCHES NOMINAL IN
flute_quantity2
overall_length3.625 INCHES NOMINAL IN
shank_diameter0.194 INCHES NOMINAL IN
special_featuresJOBBERS LG; WIRE SIZE 10
cutting_end_styleGENERAL PURPOSE
surface_treatmentOXIDE FILM OVERALL
nominal_cutting_diameter0.1935 INCHES IN
NSN5133-01-095-6626
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DRILL,TWIST TITLE COMPONENT PN 261-640 MFR DRILL,TWIST
KEY FEATURES
FLUTE QUANTITY: 2
SHANK DIAMETER: 0.194 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA: 80205-NAS907 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NOMINAL CUTTING DIAMETER: 0.1935 INCHES IN
MATERIAL: STEEL OVERALL
POINT ANGLE: 118.0 DEGREES NOMINAL
SURFACE TREATMENT: OXIDE FILM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
FLUTE QUANTITY2
SHANK DIAMETER0.194 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA80205-NAS907 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NOMINAL CUTTING DIAMETER0.1935 INCHES IN
MATERIALSTEEL OVERALL
SPECIAL FEATURESJOBBERS LG; WIRE SIZE 10
POINT ANGLE118.0 DEGREES NOMINAL
SURFACE TREATMENTOXIDE FILM OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE
POINT TYPESPLIT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
R24220Interchangeable
interchangeable cross-reference
interchangeable
24220Interchangeable
interchangeable cross-reference
interchangeable
AS568-210MIL-G- 21569 CL 1Interchangeable
interchangeable cross-reference
interchangeable
CMI-210-B46AInterchangeable
interchangeable cross-reference
interchangeable
433Interchangeable
interchangeable cross-reference
interchangeable
18110Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 261-640?
261-640 is a DRILL,TWIST.
What parts can replace 261-640?
There are 19 known substitutes for 261-640: R24220, 24220, AS568-210MIL-G- 21569 CL 1 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 261-640?
261-640 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5133-01-095-6626. This indicates validated use in U.S. government and defense supply chains.
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