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74710053 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

74710053: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, inside_width: 9.250 INCHES NOMINAL IN, inside_length: 9.250 INCHES NOMINAL IN, body_thickness: 0.073 INCHES NOMINAL IN, flange_thickness: 0.073 INCHES NOMINAL IN, outside_diameter: 11.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-689-1707, 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
74710053
NSN: 5340-00-689-1707
FSC: 5340 — Hardware, Commercial
CAGE: 0AHU0 — KALMAR AC INC (USA)
SPECIFICATIONS
materialSTEEL
inside_width9.250 INCHES NOMINAL IN
inside_length9.250 INCHES NOMINAL IN
body_thickness0.073 INCHES NOMINAL IN
flange_thickness0.073 INCHES NOMINAL IN
outside_diameter11.375 INCHES NOMINAL IN
bolt_circle_diameter10.375 INCHES NOMINAL IN
inside_corner_radius4.625 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleROUND, MULTI HOLES
bolt_circle_hole_quantity10
first_recess_inside_height2.000 INCHES NOMINAL IN
NSN5340-00-689-1707
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 74710053 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
•
INSIDE WIDTH: 9.250 INCHES NOMINAL IN
•
INSIDE LENGTH: 9.250 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.073 INCHES NOMINAL IN
•
BOLT CIRCLE HOLE QUANTITY: 10
•
INSIDE CORNER RADIUS: 4.625 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 2.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: OBLONG RECESS
•
OUTSIDE DIAMETER: 11.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
INSIDE WIDTH9.250 INCHES NOMINAL IN
INSIDE LENGTH9.250 INCHES NOMINAL IN
FLANGE THICKNESS0.073 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY10
INSIDE CORNER RADIUS4.625 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT2.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEOBLONG RECESS
OUTSIDE DIAMETER11.375 INCHES NOMINAL IN
SECURING DEVICE TYPETHREADED FASTENER
BOLT CIRCLE DIAMETER10.375 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
4710053Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74710053?
74710053 is a COVER,ACCESS.
What parts can replace 74710053?
There is 1 known substitute for 74710053: 4710053. Substitute compatibility should be verified for your specific system.
What is the NSN for 74710053?
74710053 is cataloged in the U.S. Government catalog under NSN 5340-00-689-1707. 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.