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3L-4566 — BUTTON,PLUG

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3L-4566: BUTTON,PLUG.

The BUTTON,PLUG is a the manufacturer industrial component. Key specifications include head_height: 2.00 MILLIMETERS NOMINAL MM, head_outside_diameter: 16.67 MILLIMETERS NOMINAL MM, end_item_identification: 1915-01-153-8801; VESSEL,LOGISTIC SUP, hole_accommodation_diameter: 12.7 MILLIMETERS NOMINAL MM, part_name_assigned_by_controlling_agency: BUTTON PLUG. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-686-4488, 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
3L-4566
NSN: 5340-01-686-4488
FSC: 5340 — Hardware, Commercial
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
head_height2.00 MILLIMETERS NOMINAL MM
head_outside_diameter16.67 MILLIMETERS NOMINAL MM
end_item_identification1915-01-153-8801; VESSEL,LOGISTIC SUP
hole_accommodation_diameter12.7 MILLIMETERS NOMINAL MM
part_name_assigned_by_controlling_agencyBUTTON PLUG
NSN5340-01-686-4488
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3L-4566 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 2.00 MILLIMETERS NOMINAL MM
•
HOLE ACCOMMODATION DIAMETER: 12.7 MILLIMETERS NOMINAL MM
•
HEAD OUTSIDE DIAMETER: 16.67 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
HEAD HEIGHT2.00 MILLIMETERS NOMINAL MM
HOLE ACCOMMODATION DIAMETER12.7 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYBUTTON PLUG
END ITEM IDENTIFICATION1915-01-153-8801; VESSEL,LOGISTIC SUP
HEAD OUTSIDE DIAMETER16.67 MILLIMETERS NOMINAL MM
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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 3L-4566?
3L-4566 is a BUTTON,PLUG.
What is the NSN for 3L-4566?
3L-4566 is cataloged in the U.S. Government catalog under NSN 5340-01-686-4488. 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.