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5186984 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5186984: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include pilot_height: 0.400 INCHES NOMINAL IN, body_thickness: 0.060 INCHES NOMINAL IN, inside_diameter: 2.160 INCHES NOMINAL IN, flange_thickness: 0.500 INCHES NOMINAL IN, bolt_circle_diameter: 3.290 INCHES NOMINAL IN, peripheral_shape_style: ROUND, FOUR EARS AND HOLES, ONE LOBE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-175-5744, 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
5186984
NSN: 5340-01-175-5744
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
pilot_height0.400 INCHES NOMINAL IN
body_thickness0.060 INCHES NOMINAL IN
inside_diameter2.160 INCHES NOMINAL IN
flange_thickness0.500 INCHES NOMINAL IN
bolt_circle_diameter3.290 INCHES NOMINAL IN
peripheral_shape_styleROUND, FOUR EARS AND HOLES, ONE LOBE
first_recess_inside_height0.590 INCHES NOMINAL IN
cross-sectional_shape_styleCIRCULAR RECESS
NSN5340-01-175-5744
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5186984 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
•
FLANGE THICKNESS: 0.500 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 0.590 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR RECESS
•
INSIDE DIAMETER: 2.160 INCHES NOMINAL IN
•
PILOT HEIGHT: 0.400 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 3.290 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND, FOUR EARS AND HOLES, ONE LOBE
•
BODY THICKNESS: 0.060 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.500 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.590 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLECIRCULAR RECESS
INSIDE DIAMETER2.160 INCHES NOMINAL IN
PILOT HEIGHT0.400 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER3.290 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND, FOUR EARS AND HOLES, ONE LOBE
BODY THICKNESS0.060 INCHES NOMINAL IN
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 1
0098-66-TJ2-4616Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 5186984?
5186984 is a COVER,ACCESS.
What parts can replace 5186984?
There is 1 known substitute for 5186984: 0098-66-TJ2-4616. Substitute compatibility should be verified for your specific system.
What is the NSN for 5186984?
5186984 is cataloged in the U.S. Government catalog under NSN 5340-01-175-5744. 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.