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1017940 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1017940: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 130.0 MILLIMETERS NOMINAL MM, length: 176.0 MILLIMETERS NOMINAL MM, material: ALUMINUM ALLOY 356.0, corner_radius: 44.0 MILLIMETERS NOMINAL MM, hole_diameter: 11.0 MILLIMETERS NOMINAL MM, body_thickness: 23.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-303-0991, 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
1017940
NSN: 5340-01-303-0991
FSC: 5340 — Hardware, Commercial
CAGE: 32862 — SHIPS MACHINERY INTERNATIONAL, INC. (USA)
SPECIFICATIONS
width130.0 MILLIMETERS NOMINAL MM
length176.0 MILLIMETERS NOMINAL MM
materialALUMINUM ALLOY 356.0
corner_radius44.0 MILLIMETERS NOMINAL MM
hole_diameter11.0 MILLIMETERS NOMINAL MM
body_thickness23.0 MILLIMETERS NOMINAL MM
securing_device_typeSPECIAL
cross-sectional_shape_styleFLAT, ROUND RIB REINFORCED
mounting_opening_shape_styleUNTHREADED HOLE
NSN5340-01-303-0991
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1017940 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: 44.0 MILLIMETERS NOMINAL MM
•
LENGTH: 176.0 MILLIMETERS NOMINAL MM
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT, ROUND RIB REINFORCED
•
SECURING DEVICE TYPE: SPECIAL
•
WIDTH: 130.0 MILLIMETERS NOMINAL MM
•
MATERIAL: ALUMINUM ALLOY 356.0
•
HOLE DIAMETER: 11.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
CORNER RADIUS44.0 MILLIMETERS NOMINAL MM
LENGTH176.0 MILLIMETERS NOMINAL MM
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLEFLAT, ROUND RIB REINFORCED
SECURING DEVICE TYPESPECIAL
WIDTH130.0 MILLIMETERS NOMINAL MM
MATERIALALUMINUM ALLOY 356.0
HOLE DIAMETER11.0 MILLIMETERS NOMINAL MM
BODY THICKNESS23.0 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 1017940?
1017940 is a COVER,ACCESS.
What is the NSN for 1017940?
1017940 is cataloged in the U.S. Government catalog under NSN 5340-01-303-0991. 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.