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17686P — RING,WEARING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

17686P: RING,WEARING.

The RING,WEARING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, body_style: INTERNAL AND EXTERNAL FLANGE, corner_shape: SQUARE INSIDE LEFT CORNER, corner_radius: 0.625 INCHES NOMINAL INSIDE RIGHT CORNER IN, overall_length: 0.875 INCHES NOMINAL IN, flange_diameter: 5.438 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4320-00-979-3801, 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
17686P
NSN: 4320-00-979-3801
FSC: 4320 — Power and Hand Pumps
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_styleINTERNAL AND EXTERNAL FLANGE
corner_shapeSQUARE INSIDE LEFT CORNER
corner_radius0.625 INCHES NOMINAL INSIDE RIGHT CORNER IN
overall_length0.875 INCHES NOMINAL IN
flange_diameter5.438 INCHES NOMINAL IN
bolt_hole_quantity6
body_inside_diameter2.625 INCHES MINIMUM AND 2.627 INCHES MAXIMUM IN
bolt_circle_diameter4.750 INCHES NOMINAL IN
body_outside_diameter4.246 INCHES MINIMUM AND 4.248 INCHES MAXIMUM IN
internal_flange_width0.406 INCHES NOMINAL IN
left_side_flange_thickness0.375 INCHES NOMINAL IN
NSN4320-00-979-3801
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,WEARING TITLE COMPONENT PN 17686P MFR RING,WEARING
KEY FEATURES
•
FLANGE DIAMETER: 5.438 INCHES NOMINAL IN
•
CORNER SHAPE: SQUARE OUTSIDE RIGHT CORNER
•
CORNER RADIUS: 0.625 INCHES NOMINAL INSIDE RIGHT CORNER IN
•
BODY STYLE: INTERNAL AND EXTERNAL FLANGE
•
BODY OUTSIDE DIAMETER: 4.246 INCHES MINIMUM AND 4.248 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER5.438 INCHES NOMINAL IN
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPEROUND INSIDE RIGHT CORNER
CORNER RADIUS0.625 INCHES NOMINAL INSIDE RIGHT CORNER IN
BODY STYLEINTERNAL AND EXTERNAL FLANGE
BODY OUTSIDE DIAMETER4.246 INCHES MINIMUM AND 4.248 INCHES MAXIMUM IN
UNTHREADED MOUNTING HOLE DIAMETER0.281 INCHES NOMINAL IN
OVERALL LENGTH0.875 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
RY-134323Reference 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 17686P?
17686P is a RING,WEARING.
What parts can replace 17686P?
There is 1 known substitute for 17686P: RY-134323. Substitute compatibility should be verified for your specific system.
What is the NSN for 17686P?
17686P is cataloged in the U.S. Government catalog under NSN 4320-00-979-3801. 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.