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1678213PT4 — SPACER,PLATE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1678213PT4: SPACER,PLATE.

The SPACER,PLATE is a the manufacturer industrial component. Key specifications include material: PLASTIC, hole_diameter: 0.688 INCHES NOMINAL IN, overall_width: 9.625 INCHES NOMINAL IN, style_designator: NON-CIRCULAR W/O RADIUS, aperture_diameter: 5.875 INCHES NOMINAL IN, bolt_circle_diameter: 8.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-129-6529, 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
1678213PT4
NSN: 5365-00-129-6529
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialPLASTIC
hole_diameter0.688 INCHES NOMINAL IN
overall_width9.625 INCHES NOMINAL IN
style_designatorNON-CIRCULAR W/O RADIUS
aperture_diameter5.875 INCHES NOMINAL IN
bolt_hole_quantity6
bolt_circle_diameter8.250 INCHES NOMINAL IN
outside_corner_radius1.125 INCHES NOMINAL IN
outside_corner_inverted_radius0.375 INCHES NOMINAL IN
side_radius_from_gasket_center4.250 INCHES NOMINAL IN
NSN5365-00-129-6529
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,PLATE TITLE COMPONENT PN 1678213PT4 MFR SPACER,PLATE
KEY FEATURES
•
SIDE RADIUS FROM GASKET CENTER: 4.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR W/O RADIUS
•
OUTSIDE CORNER INVERTED RADIUS: 0.375 INCHES NOMINAL IN
•
APERTURE DIAMETER: 5.875 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 6
•
BOLT CIRCLE DIAMETER: 8.250 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 1.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SIDE RADIUS FROM GASKET CENTER4.250 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR W/O RADIUS
OVERALL WIDTH9.625 INCHES NOMINAL IN
OUTSIDE CORNER INVERTED RADIUS0.375 INCHES NOMINAL IN
APERTURE DIAMETER5.875 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
BOLT CIRCLE DIAMETER8.250 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS1.125 INCHES NOMINAL IN
MATERIALPLASTIC
HOLE DIAMETER0.688 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5365 — Bushings, Rings, Shims, and Spacers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5365-00-000-6078 5365-00-000-7436 5365-00-001-1292 5365-00-001-1365 5365-00-001-1841 5365-00-001-1915 5365-00-001-1916 5365-00-001-1940
SUBSTITUTES & CROSS-REFERENCES 1
1678213PC4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 1678213PT4?
1678213PT4 is a SPACER,PLATE.
What parts can replace 1678213PT4?
There is 1 known substitute for 1678213PT4: 1678213PC4. Substitute compatibility should be verified for your specific system.
What is the NSN for 1678213PT4?
1678213PT4 is cataloged in the U.S. Government catalog under NSN 5365-00-129-6529. 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.