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343818 — INSULATOR,STANDOFF

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

343818: INSULATOR,STANDOFF.

The INSULATOR,STANDOFF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 CAP, overall_height: 3.688 INCHES NOMINAL IN, top_hole_depth: 2.750 INCHES NOMINAL IN, outside_diameter: 1.625 INCHES NOMINAL IN, surface_treatment: CADMIUM AND CHROMATE CAP, top_hole_diameter: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5970-00-085-4256, 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
343818
NSN: 5970-00-085-4256
NIINs: 000854256, 007177993
FSC: 5970 — Electrical Insulators and Insulating Materials
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 CAP
overall_height3.688 INCHES NOMINAL IN
top_hole_depth2.750 INCHES NOMINAL IN
outside_diameter1.625 INCHES NOMINAL IN
surface_treatmentCADMIUM AND CHROMATE CAP
top_hole_diameter0.500 INCHES NOMINAL IN
end_item_identificationENGINE MODEL J57-P-20
mounting_facility_type_and_quantity1 UNTHREADED HOLE(S)
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5970-00-085-4256
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSULATOR,STANDOFF TITLE COMPONENT PN 343818 MFR INSULATOR,STANDOFF
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 UNTHREADED HOLE(S)
•
OUTSIDE DIAMETER: 1.625 INCHES NOMINAL IN
•
TOP HOLE DEPTH: 2.750 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE CAP
•
MATERIAL: COPPER ALLOY 360 CAP
•
TOP HOLE DIAMETER: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY1 UNTHREADED HOLE(S)
OVERALL HEIGHT3.688 INCHES NOMINAL IN
OUTSIDE DIAMETER1.625 INCHES NOMINAL IN
TOP HOLE DEPTH2.750 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM AND CHROMATE CAP
MATERIALCOPPER ALLOY 360 CAP
TOP HOLE DIAMETER0.500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
2082744Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 343818?
343818 is a INSULATOR,STANDOFF.
What parts can replace 343818?
There is 1 known substitute for 343818: 2082744. Substitute compatibility should be verified for your specific system.
What is the NSN for 343818?
343818 is cataloged in the U.S. Government catalog under NSN 5970-00-085-4256. 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.