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Technical Data Sheet
MIL-I-6868 ✓ 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

PISTON,LINEAR ACTUATING CYLINDER. Key specifications include body_style: PLAIN, SOLID, tooth_form: STANDARD, pitch_diameter: 10.0000 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 30, special_features: INTERNAL CIRCUMFERENTIAL GROOVE EQUIDISTANT FROM BOTH ENDS OF BORE0.180 IN. MIN,0.196 IN.

MAX W,0.1605 IN. DEEP IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1650-00-347-4171, 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
MIL-I-6868
NSN: 1650-00-347-4171
FSC: 1650
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_stylePLAIN, SOLID
tooth_formSTANDARD
pitch_diameter10.0000 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity30
special_featuresINTERNAL CIRCUMFERENTIAL GROOVE EQUIDISTANT FROM BOTH ENDS OF BORE0.180 IN. MIN,0.196 IN. MAX W,0.1605 IN. DEEP IN
style_designatorHUBLESS
face_nominal_width3.560 INCHES IN
NSN1650-00-347-4171
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,LINEAR ACTUATING CYLINDER TITLE COMPONENT PN MIL-I-6868 MFR PISTON,LINEAR ACTUATIN
KEY FEATURES
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESONE ENDHOLE,0.375 IN. DIA X 0.344 IN. DP;CNTRSNK 60 DEG X 0.438 IN. DIA OPPOSITE END THD 5/16-24 UNF-3A A
MATERIALSTEEL CORROSION RESISTING
OVERALL LENGTH9.844 INCHES NOMINAL IN
END ITEM IDENTIFICATIONAIRCRAFT,DOUGLAS AIRCRAFT CO,MODEL A4D-1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
6-76210Interchangeable
interchangeable cross-reference
interchangeable
HT-18Interchangeable
interchangeable cross-reference
interchangeable
11Y1302-1708Interchangeable
interchangeable cross-reference
interchangeable
ASTM E18-89AInterchangeable
interchangeable cross-reference
interchangeable
4173-1708Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-18732DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-I-6868?
MIL-I-6868 is a PISTON,LINEAR ACTUATING CYLINDER.
What parts can replace MIL-I-6868?
There are 24 known substitutes for MIL-I-6868: 6-76210, HT-18, 11Y1302-1708 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-I-6868?
MIL-I-6868 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1650-00-347-4171. This indicates validated use in U.S. government and defense supply chains.
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