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PartsTable / COMPONENT / 172169G
172169G ✓ 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,INTERNAL COMBUSTION ENGIN. Key specifications include material: STEEL OVERALL, corner_shape: SQUARE OUTSIDE LEFT CORNER, flange_width: 2.3750 INCHES NOMINAL IN, hole_diameter: 0.1090 INCHES NOMINAL FIRST IN, overall_length: 4.3280 INCHES NOMINAL IN, keyway_dimension: 0.2190 INCHES NOMINAL INTERNAL KEYWAY WIDTH 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 4320-00-398-8148, 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
172169G
NSN: 4320-00-398-8148
FSC: 4320
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)
SPECIFICATIONS
materialSTEEL OVERALL
corner_shapeSQUARE OUTSIDE LEFT CORNER
flange_width2.3750 INCHES NOMINAL IN
hole_diameter0.1090 INCHES NOMINAL FIRST IN
overall_length4.3280 INCHES NOMINAL IN
keyway_dimension0.2190 INCHES NOMINAL INTERNAL KEYWAY WIDTH IN
special_featuresFLANGED END COUNTERBORED TO 2.312 IN. ID X 1.875 IN. DEEP IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter1.3910 INCHES NOMINAL IN
body_outside_diameter1.9690 INCHES NOMINAL IN
flange_outside_diameter2.7500 INCHES NOMINAL IN
antirotation/lubrication_type_and_quantity1 HOLE
NSN4320-00-398-8148
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,INTERNAL COMBUSTION ENGIN TITLE COMPONENT PN 172169G MFR PISTON,INTERNAL COMBUS
KEY FEATURES
•
CORNER SHAPE: SQUARE INSIDE LEFT CORNER
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
FLANGE OUTSIDE DIAMETER: 2.7500 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.9690 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 1.3910 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPESQUARE INSIDE LEFT CORNER
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
FLANGE OUTSIDE DIAMETER2.7500 INCHES NOMINAL IN
OVERALL LENGTH4.3280 INCHES NOMINAL IN
CORNER SHAPESQUARE INSIDE RIGHT CORNER
BODY OUTSIDE DIAMETER1.9690 INCHES NOMINAL IN
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
BODY INSIDE DIAMETER1.3910 INCHES NOMINAL IN
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE
SPECIAL FEATURESFLANGED END COUNTERBORED TO 2.312 IN. ID X 1.875 IN. DEEP IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
10653Interchangeable
interchangeable cross-reference
interchangeable
MS29512-10Interchangeable
interchangeable cross-reference
interchangeable
PRP568-01-457-60-10Interchangeable
interchangeable cross-reference
interchangeable
51634Interchangeable
interchangeable cross-reference
interchangeable
V644UInterchangeable
interchangeable cross-reference
interchangeable
D21433Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 172169G?
172169G is a PISTON,INTERNAL COMBUSTION ENGIN.
What parts can replace 172169G?
There are 20 known substitutes for 172169G: 10653, MS29512-10, PRP568-01-457-60-10 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 172169G?
172169G is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-398-8148. 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