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16B4508-1 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

16B4508-1: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, body_thickness: 0.071 INCHES NOMINAL IN, outside_diameter: 5.060 INCHES NOMINAL IN, bolt_circle_diameter: 4.330 INCHES NOMINAL IN, securing_device_type: THREADED FASTENER, peripheral_shape_style: ROUND, MULTI HOLES. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-273-9505, 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
16B4508-1
NSN: 5340-01-273-9505
FSC: 5340 — Hardware, Commercial
CAGE: 5P931 — DUCOMMUN AEROSTRUCTURES NEW YORK, INC. DBA DUCOMMUN AEROSTRUCTURES NEW YORK INC DIV DUCOMMUN AEROSTRUCTURES (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
body_thickness0.071 INCHES NOMINAL IN
outside_diameter5.060 INCHES NOMINAL IN
bolt_circle_diameter4.330 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleROUND, MULTI HOLES
end_item_identificationF-16C/D AIRCRAFT
bolt_circle_hole_quantity6
cross-sectional_shape_styleFLAT
NSN5340-01-273-9505
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 16B4508-1 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
•
BOLT CIRCLE HOLE QUANTITY: 6
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
OUTSIDE DIAMETER: 5.060 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: THREADED FASTENER
•
BOLT CIRCLE DIAMETER: 4.330 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND, MULTI HOLES
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
BOLT CIRCLE HOLE QUANTITY6
CROSS-SECTIONAL SHAPE STYLEFLAT
OUTSIDE DIAMETER5.060 INCHES NOMINAL IN
SECURING DEVICE TYPETHREADED FASTENER
BOLT CIRCLE DIAMETER4.330 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
END ITEM IDENTIFICATIONF-16C/D AIRCRAFT
MATERIALALUMINUM ALLOY
BODY THICKNESS0.071 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
16B4508-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 16B4508-1?
16B4508-1 is a COVER,ACCESS.
What parts can replace 16B4508-1?
There is 1 known substitute for 16B4508-1: 16B4508-7. Substitute compatibility should be verified for your specific system.
What is the NSN for 16B4508-1?
16B4508-1 is cataloged in the U.S. Government catalog under NSN 5340-01-273-9505. This indicates validated use in U.S. government and defense supply chains.
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