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R40 1-7/8 — Technical Data Sheet

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— · 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

SOCKET,PLUG-IN ELECTRONIC COMPON. Key specifications include material: STEEL OVERALL, point_type: CONVENTIONAL, point_angle: 118.0 DEGREES NOMINAL, shank_style: STRAIGHT ROUND, flute_length: 5.375 INCHES NOMINAL IN, overall_length: 8.250 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 5133-01-460-2371, 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
R40 1-7/8
NSN: 5133-01-460-2371
FSC: 5133
CAGE: 16568 — PRECISION TWIST DRILL CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
point_typeCONVENTIONAL
point_angle118.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
flute_length5.375 INCHES NOMINAL IN
flute_quantity2
overall_length8.250 INCHES NOMINAL IN
shank_diameter1.500 INCHES NOMINAL IN
special_featuresSCREW MACHINE LG; FRACTIONAL SIZE 1-7/8
cutting_end_styleGENERAL PURPOSE
nominal_cutting_diameter1.8750 INCHES IN
cutting_rotation_directionRIGHT-HAND
NSN5133-01-460-2371
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SOCKET,PLUG-IN ELECTRONIC COMPON TITLE COMPONENT PN R40 1-7/8 MFR SOCKET,PLUG-IN ELECTRO
KEY FEATURES
•
SHANK DIAMETER: 1.500 INCHES NOMINAL IN
•
FLUTE LENGTH: 5.375 INCHES NOMINAL IN
•
CUTTING ROTATION DIRECTION: RIGHT-HAND
•
CUTTING END STYLE: GENERAL PURPOSE
•
POINT ANGLE: 118.0 DEGREES NOMINAL
•
MATERIAL: STEEL OVERALL
•
NOMINAL CUTTING DIAMETER: 1.8750 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
SHANK DIAMETER1.500 INCHES NOMINAL IN
FLUTE LENGTH5.375 INCHES NOMINAL IN
CUTTING ROTATION DIRECTIONRIGHT-HAND
CUTTING END STYLEGENERAL PURPOSE
SPECIAL FEATURESSCREW MACHINE LG; FRACTIONAL SIZE 1-7/8
POINT ANGLE118.0 DEGREES NOMINAL
MATERIALSTEEL OVERALL
NOMINAL CUTTING DIAMETER1.8750 INCHES IN
FLUTE QUANTITY2
OVERALL LENGTH8.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
48620Interchangeable
interchangeable cross-reference
interchangeable
9967Interchangeable
interchangeable cross-reference
interchangeable
2F9864Interchangeable
interchangeable cross-reference
interchangeable
43761Interchangeable
interchangeable cross-reference
interchangeable
742264Interchangeable
interchangeable cross-reference
interchangeable
SG4565Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R40 1-7/8?
R40 1-7/8 is a SOCKET,PLUG-IN ELECTRONIC COMPON.
What parts can replace R40 1-7/8?
There are 17 known substitutes for R40 1-7/8: 48620, 9967, 2F9864 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R40 1-7/8?
R40 1-7/8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5133-01-460-2371. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026