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Technical Data Sheet
PartsTable / COMPONENT / 557-1-1/4
557-1-1/4 ✓ 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 557-1-1/4 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-01-065-9651, 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
557-1-1/4
NSN: 3455-01-065-9651
FSC: 3455
CAGE: 13130 — CLEVELAND TWIST DRILL CO DIV OF GREENFIELD INDUSTRIES INC (USA)
SPECIFICATIONS
Part Number557-1-1/4
NSN3455-01-065-9651
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 557-1-1/4 TITLE COMPONENT PN 557-1-1/4 MFR 557-1-1/4
KEY FEATURES
•
DIAMETER: 1.250 INCHES NOMINAL IN
•
CUTTING ROTATION DIRECTION: RIGHT-HAND
•
CUT LENGTH: 4.000 INCHES NOMINAL IN
•
FEATURES PROVIDED: CENTER CUTTING
•
SPECIFICATION/STANDARD DATA: 80204-B94.19 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
MATERIAL: STEEL ALLOY
•
FLUTE DESIGN: HELICAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: COBALT MFR REF SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
DIAMETER1.250 INCHES NOMINAL IN
CUTTING ROTATION DIRECTIONRIGHT-HAND
CUT LENGTH4.000 INCHES NOMINAL IN
FEATURES PROVIDEDCENTER CUTTING
SPECIFICATION/STANDARD DATA80204-B94.19 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MATERIALSTEEL ALLOY
FLUTE DESIGNHELICAL
MATERIAL DOCUMENT AND CLASSIFICATIONCOBALT MFR REF SINGLE MATERIAL RESPONSE
SHANK TYPEWELDON
HELIX DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
608-921-010Interchangeable
interchangeable cross-reference
interchangeable
608-921-010-000Interchangeable
interchangeable cross-reference
interchangeable
608-921-010-603Interchangeable
interchangeable cross-reference
interchangeable
BT772BInterchangeable
interchangeable cross-reference
interchangeable
772BInterchangeable
interchangeable cross-reference
interchangeable
42880Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 557-1-1/4?
557-1-1/4 is a 557-1-1/4.
What parts can replace 557-1-1/4?
There are 20 known substitutes for 557-1-1/4: 608-921-010, 608-921-010-000, 608-921-010-603 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 557-1-1/4?
557-1-1/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-01-065-9651. 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