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3302290 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3302290: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY AND IRON, hole_diameter: 0.406 INCHES NOMINAL IN, body_thickness: 0.156 INCHES NOMINAL IN, inside_diameter: 1.188 INCHES NOMINAL IN, flange_thickness: 0.688 INCHES NOMINAL IN, outside_diameter: 3.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-126-0507, 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
3302290
NSN: 5340-00-126-0507
FSC: 5340 — Hardware, Commercial
CAGE: 55380 — HATCH & KIRK, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY AND IRON
hole_diameter0.406 INCHES NOMINAL IN
body_thickness0.156 INCHES NOMINAL IN
inside_diameter1.188 INCHES NOMINAL IN
flange_thickness0.688 INCHES NOMINAL IN
outside_diameter3.250 INCHES NOMINAL IN
body_outside_radius0.344 INCHES NOMINAL IN
bolt_circle_diameter2.500 INCHES NOMINAL IN
fsc_application_dataBLOCK ASSY,DIESEL ENGINE
inside_corner_radius0.188 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
first_recess_diameter1.875 INCHES NOMINAL IN
NSN5340-00-126-0507
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3302290 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
•
FSC APPLICATION DATA: BLOCK ASSY,DIESEL ENGINE
•
FLANGE THICKNESS: 0.688 INCHES NOMINAL IN
•
BOLT CIRCLE HOLE QUANTITY: 4
•
INSIDE CORNER RADIUS: 0.188 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 0.188 INCHES NOMINAL IN
•
FIRST RECESS DIAMETER: 1.875 INCHES NOMINAL IN
•
SECOND RECESS INSIDE HEIGHT: 0.906 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATABLOCK ASSY,DIESEL ENGINE
FLANGE THICKNESS0.688 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY4
INSIDE CORNER RADIUS0.188 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.188 INCHES NOMINAL IN
FIRST RECESS DIAMETER1.875 INCHES NOMINAL IN
SECOND RECESS INSIDE HEIGHT0.906 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLECIRCULAR RECESS
OUTSIDE DIAMETER3.250 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 2
3245535Reference document
Same NSN cross-reference
Reference document — Secondary reference
3301478Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3302290?
3302290 is a COVER,ACCESS.
What parts can replace 3302290?
There are 2 known substitutes for 3302290: 3245535, 3301478. Substitute compatibility should be verified for your specific system.
What is the NSN for 3302290?
3302290 is cataloged in the U.S. Government catalog under NSN 5340-00-126-0507. 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.