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Technical Data Sheet
PartsTable / COMPONENT / 550 25/64
550 25/64 ✓ 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 550 25/64 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5133-01-438-9248, 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
550 25/64
NSN: 5133-01-438-9248
FSC: 5133
CAGE: 60NQ9 — GREENFIELD INDUSTRIES INC (USA)
SPECIFICATIONS
Part Number550 25/64
NSN5133-01-438-9248
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 550 25/64 TITLE COMPONENT PN 550 25/64 MFR 550 25/64
KEY FEATURES
•
FLUTE LENGTH: 3.750 INCHES NOMINAL IN
•
CUTTING ROTATION DIRECTION: RIGHT-HAND
•
NOMINAL CUTTING DIAMETER: 0.3906 INCHES IN
•
CUTTING END STYLE: GENERAL PURPOSE
•
FLUTE QUANTITY: 2
•
SHANK STYLE: STRAIGHT ROUND
TECHNICAL CHARACTERISTICS (FLIS)
FLUTE LENGTH3.750 INCHES NOMINAL IN
SPECIAL FEATURESJOBBERS LG; FRACTIONAL SIZE 25/64
OVERALL LENGTH5.125 INCHES NOMINAL IN
CUTTING ROTATION DIRECTIONRIGHT-HAND
NOMINAL CUTTING DIAMETER0.3906 INCHES IN
CUTTING END STYLEGENERAL PURPOSE
FLUTE QUANTITY2
SHANK STYLESTRAIGHT ROUND
SHANK DIAMETER0.390 INCHES NOMINAL IN
POINT ANGLE135.0 DEGREES NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
A-A-2511Interchangeable
interchangeable cross-reference
interchangeable
H-B-771Interchangeable
interchangeable cross-reference
interchangeable
10325Interchangeable
interchangeable cross-reference
interchangeable
SA-325Interchangeable
interchangeable cross-reference
interchangeable
6101630Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-137 SZ2 1/2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 550 25/64?
550 25/64 is a 550 25/64.
What parts can replace 550 25/64?
There are 21 known substitutes for 550 25/64: A-A-2511, H-B-771, 10325 and 18 more. Substitute compatibility should be verified for your specific system.
Is 550 25/64 still available?
550 25/64 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026