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Technical Data Sheet
D-166-1 ✓ 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 GEAR,INTERNAL is a the manufacturer industrial component. Key specifications include material: STEEL ROD END, body_style: PLAIN, SOLID, fork_depth: 0.6900 INCHES NOMINAL IN, hole_shape: ROUND, teeth_type: SPUR, tooth_form: STUB. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-274-6470, 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
D-166-1
NSN: 3020-00-274-6470
FSC: 3020
CAGE: 3X894 — CONTROL FLOW, INC. DBA CONTROL FLOW INC (USA)
SPECIFICATIONS
materialSTEEL ROD END
body_stylePLAIN, SOLID
fork_depth0.6900 INCHES NOMINAL IN
hole_shapeROUND
teeth_typeSPUR
tooth_formSTUB
hole_diameter0.2500 INCHES NOMINAL IN
overall_width0.5000 INCHES NOMINAL IN
overall_height0.5000 INCHES NOMINAL IN
pitch_diameter25.0000 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity100
NSN3020-00-274-6470
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,INTERNAL TITLE COMPONENT PN D-166-1 MFR GEAR,INTERNAL
KEY FEATURES
MOUNTING HOLE NOMINAL THREAD SIZE: 0.5000 INCHES AXIALLY THROUGH FLANGE IN
MOUNTING HOLE NOMINAL DIAMETER: 0.6250 INCHES AXIALLY THROUGH FLANGE IN
HARDNESS RATING: 27.0 ROCKWELL C MINIMUM AND 29.0 ROCKWELL C MAXIMUM OVERALL
ATTACHMENT METHOD: MOUNTING HOLE
FLANGE NOMINAL DIAMETER: 32.4990 INCHES IN
TEETH TYPE: SPUR
FLANGE NOMINAL THICKNESS: 1.375 INCHES IN
NOMINAL OUTSIDE DIAMETER: 27.0000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING HOLE NOMINAL THREAD SIZE0.5000 INCHES AXIALLY THROUGH FLANGE IN
MOUNTING HOLE NOMINAL DIAMETER0.6250 INCHES AXIALLY THROUGH FLANGE IN
HARDNESS RATING27.0 ROCKWELL C MINIMUM AND 29.0 ROCKWELL C MAXIMUM OVERALL
ATTACHMENT METHODMOUNTING HOLE
FLANGE NOMINAL DIAMETER32.4990 INCHES IN
TEETH TYPESPUR
FLANGE NOMINAL THICKNESS1.375 INCHES IN
NOMINAL OUTSIDE DIAMETER27.0000 INCHES IN
PITCH DIAMETER25.0000 INCHES NOMINAL IN
MOUNTING HOLE THREAD SERIES DESIGNATORUNF AXIALLY THROUGH FLANGE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
933B055541Interchangeable
interchangeable cross-reference
interchangeable
D-166-1Interchangeable
interchangeable cross-reference
interchangeable
55541Interchangeable
interchangeable cross-reference
interchangeable
D1661-1Interchangeable
Same NIIN cross-reference
interchangeable
N8350PC18Interchangeable
Same NIIN cross-reference
interchangeable
N12262APC18Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D-166-1?
D-166-1 is a GEAR,INTERNAL.
What parts can replace D-166-1?
There are 11 known substitutes for D-166-1: 933B055541, D-166-1, 55541 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D-166-1?
D-166-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-274-6470. This indicates validated use in U.S. government and defense supply chains.
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