RY118749 — RING,WEARING

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

RY118749: RING,WEARING.

The RING,WEARING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, body_style: PLAIN W/INTERNAL FLANGE, corner_shape: SQUARE ALL CORNERS, overall_length: 1.688 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES ALL SURFACES, countersink_angle: 40.0 DEGREES MINIMUM AND 41.0 DEGREES MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 4320-00-684-0448, 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

RY118749

NSN: 4320-00-684-0448
FSC: 4320 — Power and Hand Pumps
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)

SPECIFICATIONS

material	COPPER ALLOY
body_style	PLAIN W/INTERNAL FLANGE
corner_shape	SQUARE ALL CORNERS
overall_length	1.688 INCHES NOMINAL IN
surface_finish	125.0 MICROINCHES ALL SURFACES
countersink_angle	40.0 DEGREES MINIMUM AND 41.0 DEGREES MAXIMUM
bolt_hole_quantity	8
body_inside_diameter	5.970 INCHES NOMINAL IN
bolt_circle_diameter	5.375 INCHES NOMINAL IN
body_outside_diameter	6.748 INCHES MINIMUM AND 6.749 INCHES MAXIMUM IN
internal_flange_width	0.375 INCHES NOMINAL IN
internal_flange_inside_diameter	4.625 INCHES NOMINAL IN
NSN	4320-00-684-0448

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 125.0 MICROINCHES ALL SURFACES

•

CORNER SHAPE: SQUARE ALL CORNERS

•

BODY STYLE: PLAIN W/INTERNAL FLANGE

•

BODY OUTSIDE DIAMETER: 6.748 INCHES MINIMUM AND 6.749 INCHES MAXIMUM IN

•

UNTHREADED MOUNTING HOLE DIAMETER: 0.281 INCHES NOMINAL IN

•

INTERNAL FLANGE INSIDE DIAMETER: 4.625 INCHES NOMINAL IN

•

BODY INSIDE DIAMETER: 5.970 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

SURFACE FINISH	125.0 MICROINCHES ALL SURFACES
CORNER SHAPE	SQUARE ALL CORNERS
BODY STYLE	PLAIN W/INTERNAL FLANGE
BODY OUTSIDE DIAMETER	6.748 INCHES MINIMUM AND 6.749 INCHES MAXIMUM IN
UNTHREADED MOUNTING HOLE DIAMETER	0.281 INCHES NOMINAL IN
OVERALL LENGTH	1.688 INCHES NOMINAL IN
INTERNAL FLANGE INSIDE DIAMETER	4.625 INCHES NOMINAL IN
BODY INSIDE DIAMETER	5.970 INCHES NOMINAL IN
BOLT HOLE QUANTITY	8
BOLT CIRCLE DIAMETER	5.375 INCHES NOMINAL IN

OTHER ITEMS IN FSC 4320 — Power and Hand Pumps

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4320-00-001-1633 4320-00-001-2628 4320-00-001-2629 4320-00-001-2630 4320-00-001-2631 4320-00-001-2632 4320-00-001-3377 4320-00-001-3384

SUBSTITUTES & CROSS-REFERENCES 1

17091PReference 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 RY118749?

RY118749 is a RING,WEARING.

What parts can replace RY118749?

There is 1 known substitute for RY118749: 17091P. Substitute compatibility should be verified for your specific system.

What is the NSN for RY118749?

RY118749 is cataloged in the U.S. Government catalog under NSN 4320-00-684-0448. This indicates validated use in U.S. government and defense supply chains.

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RY118749 — RING,WEARING

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