18-A2169 — RING,PISTON

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

18-A2169: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, ring_style: CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.1250 INCHES NOMINAL IN, surface_treatment: OXIDE OVERALL, radial_wall_thickness: 0.0350 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4310-01-042-4645, 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

18-A2169

NSN: 4310-01-042-4645
FSC: 4310 — Compressors and Vacuum Pumps
CAGE: 28953 — RIX INDUSTRIES (USA)

SPECIFICATIONS

material	STEEL OVERALL
ring_style	CONCENTRIC
joint_style	VERTICAL JOINT
overall_width	0.1250 INCHES NOMINAL IN
surface_treatment	OXIDE OVERALL
radial_wall_thickness	0.0350 INCHES NOMINAL IN
standard_bore_diameter	0.688 INCHES IN
cross-sectional_shape_style	PLAIN RECTANGULAR, STRAIGHT FACE
NSN	4310-01-042-4645

COMPONENT DIAGRAM

KEY FEATURES

•

CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE

•

JOINT STYLE: VERTICAL JOINT

•

RADIAL WALL THICKNESS: 0.0350 INCHES NOMINAL IN

•

RING STYLE: CONCENTRIC

•

SURFACE TREATMENT: OXIDE OVERALL

•

STANDARD BORE DIAMETER: 0.688 INCHES IN

•

MATERIAL: STEEL OVERALL

TECHNICAL CHARACTERISTICS

OVERALL WIDTH	0.1250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE	PLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLE	VERTICAL JOINT
RADIAL WALL THICKNESS	0.0350 INCHES NOMINAL IN
RING STYLE	CONCENTRIC
SURFACE TREATMENT	OXIDE OVERALL
STANDARD BORE DIAMETER	0.688 INCHES IN
MATERIAL	STEEL OVERALL

SUBSTITUTES & CROSS-REFERENCES 2

D952Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

D952ITEM28Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 18-A2169?

18-A2169 is a RING,PISTON.

What parts can replace 18-A2169?

There are 2 known substitutes for 18-A2169: D952, D952ITEM28. Substitute compatibility should be verified for your specific system.

What is the NSN for 18-A2169?

18-A2169 is cataloged in the U.S. Government catalog under NSN 4310-01-042-4645. This indicates validated use in U.S. government and defense supply chains.

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