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1042484 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1042484: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include hole_diameter: 0.234 INCHES NOMINAL IN, body_thickness: 0.440 INCHES NOMINAL IN, inside_diameter: 2.220 INCHES MINIMUM AND 2.280 INCHES MAXIMUM IN, flange_thickness: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN, outside_diameter: 3.320 INCHES MINIMUM AND 3.380 INCHES MAXIMUM IN, features_provided: OBSERVATION FACILITY. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-679-3689, 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
1042484
NSN: 5340-00-679-3689
FSC: 5340 — Hardware, Commercial
CAGE: 22888 — FMC CORP (USA)
SPECIFICATIONS
hole_diameter0.234 INCHES NOMINAL IN
body_thickness0.440 INCHES NOMINAL IN
inside_diameter2.220 INCHES MINIMUM AND 2.280 INCHES MAXIMUM IN
flange_thickness0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
outside_diameter3.320 INCHES MINIMUM AND 3.380 INCHES MAXIMUM IN
features_providedOBSERVATION FACILITY
bolt_circle_diameter3.063 INCHES NOMINAL IN
inside_corner_radius0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleROUND, MULTI HOLES
bolt_circle_hole_quantity6
first_recess_inside_height1.030 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN
NSN5340-00-679-3689
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1042484 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
•
FLANGE THICKNESS: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
•
BOLT CIRCLE HOLE QUANTITY: 6
•
INSIDE CORNER RADIUS: 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
•
FIRST RECESS INSIDE HEIGHT: 1.030 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
OUTSIDE DIAMETER: 3.320 INCHES MINIMUM AND 3.380 INCHES MAXIMUM IN
•
FEATURES PROVIDED: OBSERVATION FACILITY
•
SECURING DEVICE TYPE: THREADED FASTENER
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
BOLT CIRCLE HOLE QUANTITY6
INSIDE CORNER RADIUS0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
FIRST RECESS INSIDE HEIGHT1.030 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
OUTSIDE DIAMETER3.320 INCHES MINIMUM AND 3.380 INCHES MAXIMUM IN
FEATURES PROVIDEDOBSERVATION FACILITY
SECURING DEVICE TYPETHREADED FASTENER
INSIDE DIAMETER2.220 INCHES MINIMUM AND 2.280 INCHES MAXIMUM IN
BOLT CIRCLE DIAMETER3.063 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1042484?
1042484 is a COVER,ACCESS.
What is the NSN for 1042484?
1042484 is cataloged in the U.S. Government catalog under NSN 5340-00-679-3689. 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.