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Technical Data Sheet
121CT ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The REAMER,MACHINE is a the manufacturer industrial component. Key specifications include guide: NOT INCLUDED, material: STEEL LOCATION NOT OTHERWISE SPECIFIED, flute_type: INSERTED, shank_type: MORSE TAPER, size_range: +1.2160 TO 1.2490 INCHES IN, reamer_type: FLUTED CHUCKING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-025-2315, 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
121CT
NSN: 3455-00-025-2315
FSC: 3455
CAGE: 35719 — LEMPCO PRODUCTS INC (USA)
SPECIFICATIONS
guideNOT INCLUDED
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
flute_typeINSERTED
shank_typeMORSE TAPER
size_range+1.2160 TO 1.2490 INCHES IN
reamer_typeFLUTED CHUCKING
flute_length1.563 INCHES NOMINAL IN
flute_quantity6
overall_length10.500 INCHES NOMINAL IN
overall_diameter1.218 INCHES NOMINAL IN
shank_taper_number3
size_changeability_typeADJUSTABLE
NSN3455-00-025-2315
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available REAMER,MACHINE TITLE COMPONENT PN 121CT MFR REAMER,MACHINE
KEY FEATURES
NONDEFINITIVE SPEC/STD DATA: 3 TYPE AND A GRADE AND 5 CLASS
FLUTE TYPE: INSERTED
REAMER TYPE: FLUTED CHUCKING
SIZE CHANGEABILITY TYPE: ADJUSTABLE
MATERIAL: STEEL LOCATION NOT OTHERWISE SPECIFIED
GUIDE: NOT INCLUDED
SIZE RANGE: +1.2160 TO 1.2490 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA3 TYPE AND A GRADE AND 5 CLASS
FLUTE TYPEINSERTED
REAMER TYPEFLUTED CHUCKING
SIZE CHANGEABILITY TYPEADJUSTABLE
MATERIALSTEEL LOCATION NOT OTHERWISE SPECIFIED
GUIDENOT INCLUDED
SIZE RANGE+1.2160 TO 1.2490 INCHES IN
OVERALL LENGTH10.500 INCHES NOMINAL IN
SHANK TAPER NUMBER3
OVERALL DIAMETER1.218 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
GGGR180AInterchangeable
interchangeable cross-reference
interchangeable
531Interchangeable
interchangeable cross-reference
interchangeable
ASME B94.2Interchangeable
interchangeable cross-reference
interchangeable
93CInterchangeable
interchangeable cross-reference
interchangeable
223ATAPER6Interchangeable
interchangeable cross-reference
interchangeable
ANSI B94.2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121CT?
121CT is a REAMER,MACHINE.
What parts can replace 121CT?
There are 9 known substitutes for 121CT: GGGR180A, 531, ASME B94.2 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 121CT?
121CT is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-025-2315. This indicates validated use in U.S. government and defense supply chains.
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