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201-4670 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

201-4670: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include shape: CIRCULAR, usage_design: SHIP, mounting_method: BOLT, special_features: 3516C MARINE ENGINE, peripheral_shape_style: ROUND, MULTI HOLES, part_name_assigned_by_controlling_agency: COVER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-666-6610, 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
201-4670
NSN: 5340-01-666-6610
FSC: 5340 — Hardware, Commercial
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
shapeCIRCULAR
usage_designSHIP
mounting_methodBOLT
special_features3516C MARINE ENGINE
peripheral_shape_styleROUND, MULTI HOLES
mounting_hole/slot_quantity4
part_name_assigned_by_controlling_agencyCOVER
NSN5340-01-666-6610
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 201-4670 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
•
USAGE DESIGN: SHIP
•
MOUNTING METHOD: BOLT
•
SHAPE: CIRCULAR
•
MOUNTING HOLE/SLOT QUANTITY: 4
•
PERIPHERAL SHAPE STYLE: ROUND, MULTI HOLES
TECHNICAL CHARACTERISTICS
USAGE DESIGNSHIP
MOUNTING METHODBOLT
SHAPECIRCULAR
MOUNTING HOLE/SLOT QUANTITY4
SPECIAL FEATURES3516C MARINE ENGINE
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
PART NAME ASSIGNED BY CONTROLLING AGENCYCOVER
USAGE DESIGNFOR SEAWATER HEAT EXCHANGER
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 201-4670?
201-4670 is a COVER,ACCESS.
What is the NSN for 201-4670?
201-4670 is cataloged in the U.S. Government catalog under NSN 5340-01-666-6610. 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.