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1220B1284-3 — SPACER,PLATE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1220B1284-3: SPACER,PLATE.

The SPACER,PLATE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400, outside_diameter: 4.750 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 2.002 INCHES NOMINAL IN, overall_thickness: 0.125 INCHES NOMINAL IN, bolt_circle_diameter: 3.850 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5365-01-415-1981, 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
1220B1284-3
NSN: 5365-01-415-1981
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 03538 — LOCKHEED MARTIN CORPORATION DIV RMS (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400
outside_diameter4.750 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter2.002 INCHES NOMINAL IN
overall_thickness0.125 INCHES NOMINAL IN
bolt_hole_quantity4
bolt_circle_diameter3.850 INCHES NOMINAL IN
largest_bolt_hole_diameter0.531 INCHES NOMINAL IN
smallest_bolt_hole_diameter0.406 INCHES NOMINAL IN
smallest_bolt_hole_quantity4
material_document_and_classificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
NSN5365-01-415-1981
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,PLATE TITLE COMPONENT PN 1220B1284-3 MFR SPACER,PLATE
KEY FEATURES
•
SMALLEST BOLT HOLE QUANTITY: 4
•
OVERALL THICKNESS: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
•
SMALLEST BOLT HOLE DIAMETER: 0.406 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 4.750 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.002 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
TECHNICAL CHARACTERISTICS
SMALLEST BOLT HOLE QUANTITY4
OVERALL THICKNESS0.125 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
SMALLEST BOLT HOLE DIAMETER0.406 INCHES NOMINAL IN
OUTSIDE DIAMETER4.750 INCHES NOMINAL IN
APERTURE DIAMETER2.002 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
BOLT CIRCLE DIAMETER3.850 INCHES NOMINAL IN
LARGEST BOLT HOLE DIAMETER0.531 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

No substitute or cross-reference records for this part.

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 1220B1284-3?
1220B1284-3 is a SPACER,PLATE.
What is the NSN for 1220B1284-3?
1220B1284-3 is cataloged in the U.S. Government catalog under NSN 5365-01-415-1981. 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.