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7N-5049 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7N-5049: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include shape: IRREGULAR, usage_design: VEHICULAR, mounting_method: BOLT, special_features: USED ON VARIOUS DIESEL ENGINES, peripheral_shape_style: IRREGULAR, FOUR EARS, SIX HOLES, part_name_assigned_by_controlling_agency: COVER,ACCESS. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-681-3612, 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
7N-5049
NSN: 5340-01-681-3612
FSC: 5340 — Hardware, Commercial
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
shapeIRREGULAR
usage_designVEHICULAR
corner_quantity6
mounting_methodBOLT
special_featuresUSED ON VARIOUS DIESEL ENGINES
peripheral_shape_styleIRREGULAR, FOUR EARS, SIX HOLES
bolt_circle_hole_quantity6
hole_quantity_along_length8
mounting_hole/slot_quantity6
part_name_assigned_by_controlling_agencyCOVER,ACCESS
NSN5340-01-681-3612
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7N-5049 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 QUANTITY: 6
•
USAGE DESIGN: VEHICULAR
•
BOLT CIRCLE HOLE QUANTITY: 6
•
HOLE QUANTITY ALONG LENGTH: 8
•
MOUNTING METHOD: BOLT
•
SHAPE: IRREGULAR
•
MOUNTING HOLE/SLOT QUANTITY: 6
TECHNICAL CHARACTERISTICS
CORNER QUANTITY6
USAGE DESIGNVEHICULAR
BOLT CIRCLE HOLE QUANTITY6
HOLE QUANTITY ALONG LENGTH8
MOUNTING METHODBOLT
SHAPEIRREGULAR
MOUNTING HOLE/SLOT QUANTITY6
SPECIAL FEATURESUSED ON VARIOUS DIESEL ENGINES
PERIPHERAL SHAPE STYLEIRREGULAR, FOUR EARS, SIX HOLES
PART NAME ASSIGNED BY CONTROLLING AGENCYCOVER,ACCESS
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 7N-5049?
7N-5049 is a COVER,ACCESS.
What is the NSN for 7N-5049?
7N-5049 is cataloged in the U.S. Government catalog under NSN 5340-01-681-3612. 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.