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16B5542-9 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

16B5542-9: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include securing_device_type: THREADED FASTENER, peripheral_shape_style: IRREGULAR, TWO HOLES, end_item_identification: F16 ACFT, part_name_assigned_by_controlling_agency: COVER, CL STORE-DROP-TANK FUEL ACCESS PROVISION. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-352-0695, 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
16B5542-9
NSN: 5340-01-352-0695
FSC: 5340 — Hardware, Commercial
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
securing_device_typeTHREADED FASTENER
peripheral_shape_styleIRREGULAR, TWO HOLES
end_item_identificationF16 ACFT
part_name_assigned_by_controlling_agencyCOVER, CL STORE-DROP-TANK FUEL ACCESS PROVISION
NSN5340-01-352-0695
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 16B5542-9 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
•
SECURING DEVICE TYPE: THREADED FASTENER
•
PERIPHERAL SHAPE STYLE: IRREGULAR, TWO HOLES
TECHNICAL CHARACTERISTICS
SECURING DEVICE TYPETHREADED FASTENER
PERIPHERAL SHAPE STYLEIRREGULAR, TWO HOLES
PART NAME ASSIGNED BY CONTROLLING AGENCYCOVER, CL STORE-DROP-TANK FUEL ACCESS PROVISION
END ITEM IDENTIFICATIONF16 ACFT
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
5340PL1261507Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 16B5542-9?
16B5542-9 is a COVER,ACCESS.
What parts can replace 16B5542-9?
There is 1 known substitute for 16B5542-9: 5340PL1261507. Substitute compatibility should be verified for your specific system.
What is the NSN for 16B5542-9?
16B5542-9 is cataloged in the U.S. Government catalog under NSN 5340-01-352-0695. 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.