A-4690 — RING,PISTON

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

A-4690: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include special_features: 3-WAY VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4310-00-735-9167, 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

A-4690

NSN: 4310-00-735-9167
NIINs: 007359167, 016149284
FSC: 4310 — Compressors and Vacuum Pumps
CAGE: 75370 — KAYDON RING & SEAL INC DBA SKF PRECISION TECHNOLOGIES (USA)

SPECIFICATIONS

special_features	3-WAY VALVE
NSN	4310-00-735-9167

COMPONENT DIAGRAM

KEY FEATURES

•

CROSS-SECTIONAL SHAPE STYLE: BEVELED FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL

•

JOINT STYLE: VERTICAL JOINT

•

OIL PASSAGE TYPE AND QUANTITY: 9 SLOT HORIZONTALLY THROUGH RING

•

RADIAL WALL THICKNESS: 0.1730 INCHES MINIMUM AND 0.1830 INCHES MAXIMUM IN

•

RING STYLE: CONCENTRIC

•

STANDARD BORE DIAMETER: 4.750 INCHES IN

•

MATERIAL: IRON OVERALL

TECHNICAL CHARACTERISTICS

OVERALL WIDTH	0.2480 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE	BEVELED FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
JOINT STYLE	VERTICAL JOINT
OIL PASSAGE TYPE AND QUANTITY	9 SLOT HORIZONTALLY THROUGH RING
RADIAL WALL THICKNESS	0.1730 INCHES MINIMUM AND 0.1830 INCHES MAXIMUM IN
RING STYLE	CONCENTRIC
STANDARD BORE DIAMETER	4.750 INCHES IN
MATERIAL	IRON OVERALL

SUBSTITUTES & CROSS-REFERENCES 2

RNG658Reference document

Same NSN cross-reference

Reference document — Secondary reference

10617NReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is A-4690?

A-4690 is a RING,PISTON.

What parts can replace A-4690?

There are 2 known substitutes for A-4690: RNG658, 10617N. Substitute compatibility should be verified for your specific system.

What is the NSN for A-4690?

A-4690 is cataloged in the U.S. Government catalog under NSN 4310-00-735-9167. This indicates validated use in U.S. government and defense supply chains.

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A-4690 — RING,PISTON

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