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166291-162 — RING,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

166291-162: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, ring_style: CONCENTRIC, joint_style: DIAGONAL JOINT, overall_width: 0.1240 INCHES MINIMUM AND 0.1245 INCHES MAXIMUM IN, radial_wall_thickness: 0.0600 INCHES MINIMUM AND 0.0660 INCHES MAXIMUM IN, standard_bore_diameter: 2.062 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4310-00-420-3170, 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
166291-162
NSN: 4310-00-420-3170
FSC: 4310 — Compressors and Vacuum Pumps
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)
SPECIFICATIONS
materialIRON OVERALL
ring_styleCONCENTRIC
joint_styleDIAGONAL JOINT
overall_width0.1240 INCHES MINIMUM AND 0.1245 INCHES MAXIMUM IN
radial_wall_thickness0.0600 INCHES MINIMUM AND 0.0660 INCHES MAXIMUM IN
standard_bore_diameter2.062 INCHES IN
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
NSN4310-00-420-3170
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN 166291-162 MFR RING,PISTON
KEY FEATURES
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
•
JOINT STYLE: DIAGONAL JOINT
•
RADIAL WALL THICKNESS: 0.0600 INCHES MINIMUM AND 0.0660 INCHES MAXIMUM IN
•
RING STYLE: CONCENTRIC
•
STANDARD BORE DIAMETER: 2.062 INCHES IN
•
MATERIAL: IRON OVERALL
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.1240 INCHES MINIMUM AND 0.1245 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLEDIAGONAL JOINT
RADIAL WALL THICKNESS0.0600 INCHES MINIMUM AND 0.0660 INCHES MAXIMUM IN
RING STYLECONCENTRIC
STANDARD BORE DIAMETER2.062 INCHES IN
MATERIALIRON OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
15789A00Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
15787Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 166291-162?
166291-162 is a RING,PISTON.
What parts can replace 166291-162?
There are 2 known substitutes for 166291-162: 15789A00, 15787. Substitute compatibility should be verified for your specific system.
What is the NSN for 166291-162?
166291-162 is cataloged in the U.S. Government catalog under NSN 4310-00-420-3170. 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.