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859C10085-3 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

859C10085-3: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 0.560 INCHES NOMINAL IN, length: 2.950 INCHES MINIMUM AND 3.070 INCHES MAXIMUM IN, material: ALUMINUM ALLOY, hole_diameter: 0.190 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN, securing_device_type: THREADED FASTENER, peripheral_shape_style: RECTANGLE, TWO HOLES. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-564-8763, 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
859C10085-3
NSN: 5340-01-564-8763
FSC: 5340 — Hardware, Commercial
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
width0.560 INCHES NOMINAL IN
length2.950 INCHES MINIMUM AND 3.070 INCHES MAXIMUM IN
materialALUMINUM ALLOY
hole_diameter0.190 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, TWO HOLES
end_item_identificationC-2A,STOWAGE LATCH-SEAT A
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationQQ-A-235/9 ASSN STD ALL MATERIAL RESPONSES
part_name_assigned_by_controlling_agencyGUARD ASSY
distance_between_hole_centerline_and_first_hole_along_width0.185 INCHES NOMINAL IN
distance_between_hole_centerline_and_first_hole_along_length0.375 INCHES NOMINAL IN
NSN5340-01-564-8763
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 859C10085-3 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
•
LENGTH: 2.950 INCHES MINIMUM AND 3.070 INCHES MAXIMUM IN
•
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG LENGTH: 0.375 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-235/9 ASSN STD ALL MATERIAL RESPONSES
•
SECURING DEVICE TYPE: THREADED FASTENER
•
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG WIDTH: 0.185 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: RECTANGLE, TWO HOLES
•
WIDTH: 0.560 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH2.950 INCHES MINIMUM AND 3.070 INCHES MAXIMUM IN
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG LENGTH0.375 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-235/9 ASSN STD ALL MATERIAL RESPONSES
SECURING DEVICE TYPETHREADED FASTENER
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG WIDTH0.185 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLERECTANGLE, TWO HOLES
WIDTH0.560 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYGUARD ASSY
END ITEM IDENTIFICATIONC-2A,STOWAGE LATCH-SEAT A
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 859C10085-3?
859C10085-3 is a COVER,ACCESS.
What is the NSN for 859C10085-3?
859C10085-3 is cataloged in the U.S. Government catalog under NSN 5340-01-564-8763. 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.