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IN16030 — RING,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

IN16030: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, ring_style: CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.1855 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN, radial_wall_thickness: 0.1030 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM IN, standard_bore_diameter: 4.000 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-273-0417, 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
IN16030
NSN: 2805-00-273-0417
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 0KDP7 — KIDDE-FENWAL, LLC (USA)
SPECIFICATIONS
materialIRON OVERALL
ring_styleCONCENTRIC
joint_styleVERTICAL JOINT
overall_width0.1855 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
radial_wall_thickness0.1030 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM IN
standard_bore_diameter4.000 INCHES IN
cross-sectional_shape_styleSTRAIGHT FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
oil_passage_type_and_quantity1 GROOVE OUTSIDE PERIPHERY
NSN2805-00-273-0417
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN IN16030 MFR RING,PISTON
KEY FEATURES
•
CROSS-SECTIONAL SHAPE STYLE: STRAIGHT FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
•
JOINT STYLE: VERTICAL JOINT
•
OIL PASSAGE TYPE AND QUANTITY: 1 GROOVE OUTSIDE PERIPHERY
•
RADIAL WALL THICKNESS: 0.1030 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM IN
•
RING STYLE: CONCENTRIC
•
STANDARD BORE DIAMETER: 4.000 INCHES IN
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.1855 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESTRAIGHT FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
JOINT STYLEVERTICAL JOINT
OIL PASSAGE TYPE AND QUANTITY1 GROOVE OUTSIDE PERIPHERY
OIL PASSAGE TYPE AND QUANTITY4 SLOT HORIZONTALLY THROUGH RING
RADIAL WALL THICKNESS0.1030 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM IN
RING STYLECONCENTRIC
STANDARD BORE DIAMETER4.000 INCHES IN
MATERIALIRON OVERALL
SUBSTITUTES & CROSS-REFERENCES 6
2.5X3/16 CL20-61Reference document
Same NSN cross-reference
Reference document — Secondary reference
27327AReference document
Same NSN cross-reference
Reference document — Secondary reference
3900ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
90IN16030Reference document
Same NSN cross-reference
Reference document — Secondary reference
J4106-3BReference document
Same NSN cross-reference
Reference document — Secondary reference
90J4106-3BReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is IN16030?
IN16030 is a RING,PISTON.
What parts can replace IN16030?
There are 6 known substitutes for IN16030: 2.5X3/16 CL20-61, 27327A, 3900A and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for IN16030?
IN16030 is cataloged in the U.S. Government catalog under NSN 2805-00-273-0417. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.