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440568-1 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

440568-1: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include securing_device_type: THREADED FASTENER, peripheral_shape_style: RECTANGLE, MULTI HOLES, end_item_identification: 5820-01-536-0983, RADIO SET, VEHICULAR (MODEL AN/VRC-111), mounting_opening_shape_style: UNTHREADED HOLE, part_name_assigned_by_controlling_agency: COVER, EMI CCA. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-554-9767, 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
440568-1
NSN: 5340-01-554-9767
FSC: 5340 — Hardware, Commercial
CAGE: 23386 — THALES DEFENSE & SECURITY INC DBA THALES COMMUNICATIONS INC (USA)
SPECIFICATIONS
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, MULTI HOLES
end_item_identification5820-01-536-0983, RADIO SET, VEHICULAR (MODEL AN/VRC-111)
hole_quantity_along_length7
mounting_opening_shape_styleUNTHREADED HOLE
part_name_assigned_by_controlling_agencyCOVER, EMI CCA
NSN5340-01-554-9767
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 440568-1 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
•
HOLE QUANTITY ALONG LENGTH: 7
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
SECURING DEVICE TYPE: THREADED FASTENER
•
PERIPHERAL SHAPE STYLE: RECTANGLE, MULTI HOLES
TECHNICAL CHARACTERISTICS
HOLE QUANTITY ALONG LENGTH7
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
SECURING DEVICE TYPETHREADED FASTENER
PERIPHERAL SHAPE STYLERECTANGLE, MULTI HOLES
PART NAME ASSIGNED BY CONTROLLING AGENCYCOVER, EMI CCA
END ITEM IDENTIFICATION5820-01-536-0983, RADIO SET, VEHICULAR (MODEL AN/VRC-111)
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 440568-1?
440568-1 is a COVER,ACCESS.
What is the NSN for 440568-1?
440568-1 is cataloged in the U.S. Government catalog under NSN 5340-01-554-9767. 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.