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5188498 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5188498: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 2.440 INCHES NOMINAL IN, length: 3.940 INCHES NOMINAL IN, body_radius: 1.220 INCHES NOMINAL IN, corner_radius: 0.440 INCHES NOMINAL IN, body_thickness: 0.179 INCHES NOMINAL IN, securing_device_type: THREADED FASTENER. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-900-2677, 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
5188498
NSN: 5340-00-900-2677
FSC: 5340 — Hardware, Commercial
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
width2.440 INCHES NOMINAL IN
length3.940 INCHES NOMINAL IN
body_radius1.220 INCHES NOMINAL IN
corner_radius0.440 INCHES NOMINAL IN
body_thickness0.179 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleDIAMOND, ROUNDED CORNERS, TWO HOLES
cross-sectional_shape_styleFLAT W/OPEN CENTER
distance_between_holes_along_length3.000 INCHES NOMINAL IN
NSN5340-00-900-2677
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5188498 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
•
CORNER RADIUS: 0.440 INCHES NOMINAL IN
•
LENGTH: 3.940 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 3.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLAT W/OPEN CENTER
•
SECURING DEVICE TYPE: THREADED FASTENER
•
BODY RADIUS: 1.220 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: DIAMOND, ROUNDED CORNERS, TWO HOLES
•
WIDTH: 2.440 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CORNER RADIUS0.440 INCHES NOMINAL IN
LENGTH3.940 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH3.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLAT W/OPEN CENTER
SECURING DEVICE TYPETHREADED FASTENER
BODY RADIUS1.220 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEDIAMOND, ROUNDED CORNERS, TWO HOLES
WIDTH2.440 INCHES NOMINAL IN
BODY THICKNESS0.179 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5188498?
5188498 is a COVER,ACCESS.
What is the NSN for 5188498?
5188498 is cataloged in the U.S. Government catalog under NSN 5340-00-900-2677. 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.