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1853786 — INSULATOR,DISK

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1853786: INSULATOR,DISK.

The INSULATOR,DISK is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) OVERALL, overall_height: 0.010 INCHES NOMINAL IN, outside_diameter: 5.240 INCHES NOMINAL IN, style_designator: DRILLED, FLAT, first_hole_spacing: 2.500 INCHES NOMINAL IN, first_hole_diameter: 2.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5970-00-003-5331, 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
1853786
NSN: 5970-00-003-5331
FSC: 5970 — Electrical Insulators and Insulating Materials
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialPLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) OVERALL
overall_height0.010 INCHES NOMINAL IN
outside_diameter5.240 INCHES NOMINAL IN
style_designatorDRILLED, FLAT
first_hole_spacing2.500 INCHES NOMINAL IN
first_hole_diameter2.750 INCHES NOMINAL IN
second_hole_diameter0.125 INCHES NOMINAL IN
material_document_and_classificationMIL-I-631, TYPE G, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5970-00-003-5331
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSULATOR,DISK TITLE COMPONENT PN 1853786 MFR INSULATOR,DISK
KEY FEATURES
•
FIRST HOLE DIAMETER: 2.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: DRILLED, FLAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-I-631, TYPE G, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 5.240 INCHES NOMINAL IN
•
SECOND HOLE DIAMETER: 0.125 INCHES NOMINAL IN
•
FIRST HOLE SPACING: 2.500 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.010 INCHES NOMINAL IN
FIRST HOLE DIAMETER2.750 INCHES NOMINAL IN
STYLE DESIGNATORDRILLED, FLAT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-I-631, TYPE G, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER5.240 INCHES NOMINAL IN
SECOND HOLE DIAMETER0.125 INCHES NOMINAL IN
FIRST HOLE SPACING2.500 INCHES NOMINAL IN
MATERIALPLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) OVERALL
OTHER ITEMS IN FSC 5970 — Electrical Insulators and Insulating Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5970-00-001-1330 5970-00-001-1357 5970-00-001-1418 5970-00-001-1420 5970-00-001-1472 5970-00-001-1476 5970-00-001-1477 5970-00-001-1479
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 1853786?
1853786 is a INSULATOR,DISK.
What is the NSN for 1853786?
1853786 is cataloged in the U.S. Government catalog under NSN 5970-00-003-5331. 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.