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Technical Data Sheet
PartsTable / COMPONENT / UNIBIT I
UNIBIT I ✓ 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 DRILL,MULTI-STEP is a the manufacturer industrial component. Key specifications include material: STEEL,HIGH SPEED OVERALL, step_quantity: 13, drive_shank_type: MALE STRAIGHT HEXAGON, cutting_diameter_range: +0.125 TO 0.500 INCHES IN, depth_penetration_per_step: 0.125 INCHES NOMINAL IN, shank_width_across_wrench_flats: 0.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5133-01-144-5337, 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
UNIBIT I
NSN: 5133-01-144-5337
FSC: 5133
CAGE: 61109 — UNIBIT CORP (USA)
SPECIFICATIONS
materialSTEEL,HIGH SPEED OVERALL
step_quantity13
flute_quantity1
drive_shank_typeMALE STRAIGHT HEXAGON
cutting_diameter_range+0.125 TO 0.500 INCHES IN
depth_penetration_per_step0.125 INCHES NOMINAL IN
shank_width_across_wrench_flats0.250 INCHES NOMINAL IN
NSN5133-01-144-5337
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DRILL,MULTI-STEP TITLE COMPONENT PN UNIBIT I MFR DRILL,MULTI-STEP
KEY FEATURES
•
DRIVE SHANK TYPE: MALE STRAIGHT HEXAGON
•
SHANK WIDTH ACROSS WRENCH FLATS: 0.250 INCHES NOMINAL IN
•
FLUTE QUANTITY: 1
•
STEP QUANTITY: 13
•
CUTTING DIAMETER RANGE: +0.125 TO 0.500 INCHES IN
•
DEPTH PENETRATION PER STEP: 0.125 INCHES NOMINAL IN
•
MATERIAL: STEEL,HIGH SPEED OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
DRIVE SHANK TYPEMALE STRAIGHT HEXAGON
SHANK WIDTH ACROSS WRENCH FLATS0.250 INCHES NOMINAL IN
FLUTE QUANTITY1
STEP QUANTITY13
CUTTING DIAMETER RANGE+0.125 TO 0.500 INCHES IN
DEPTH PENETRATION PER STEP0.125 INCHES NOMINAL IN
MATERIALSTEEL,HIGH SPEED OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
949454PHInterchangeable
interchangeable cross-reference
interchangeable
10231Interchangeable
interchangeable cross-reference
interchangeable
53558Interchangeable
interchangeable cross-reference
interchangeable
110S 29/32Interchangeable
interchangeable cross-reference
interchangeable
1023Interchangeable
interchangeable cross-reference
interchangeable
303Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is UNIBIT I?
UNIBIT I is a DRILL,MULTI-STEP.
What parts can replace UNIBIT I?
There are 15 known substitutes for UNIBIT I: 949454PH, 10231, 53558 and 12 more. Substitute compatibility should be verified for your specific system.
Is UNIBIT I still available?
UNIBIT I 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