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Technical Data Sheet
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16159N18 — LOCKING CUP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

16159N18: LOCKING CUP.

The LOCKING CUP is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: LOCKING CUP. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-579-5301, 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
16159N18
NSN: 5340-01-579-5301
FSC: 5340 — Hardware, Commercial
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyLOCKING CUP
NSN5340-01-579-5301
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 16159N18 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYLOCKING CUP
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
PL-16100N18ITEM241BSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 16159N18?
16159N18 is a LOCKING CUP.
What parts can replace 16159N18?
There is 1 known substitute for 16159N18: PL-16100N18ITEM241B. Substitute compatibility should be verified for your specific system.
What is the NSN for 16159N18?
16159N18 is cataloged in the U.S. Government catalog under NSN 5340-01-579-5301. This indicates validated use in U.S. government and defense supply chains.
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