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Technical Data Sheet
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A16860 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PACKING,PREFORMED is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-187-3638, 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
A16860
NSN: 5330-00-187-3638
FSC: 5330
CAGE: 02248 — MOBILE DRILLING COMPANY INC DBA FOREMOST-MOBILE (USA)
SPECIFICATIONS
Part NumberA16860
NSN5330-00-187-3638
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A16860 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
511-7Interchangeable
interchangeable cross-reference
interchangeable
F-390Interchangeable
interchangeable cross-reference
interchangeable
A733S-171CFBInterchangeable
interchangeable cross-reference
interchangeable
B17-126Interchangeable
interchangeable cross-reference
interchangeable
5314X1ITEM18Interchangeable
interchangeable cross-reference
interchangeable
H511-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A16860?
A16860 is a PACKING,PREFORMED.
What parts can replace A16860?
There are 29 known substitutes for A16860: 511-7, F-390, A733S-171CFB and 26 more. Substitute compatibility should be verified for your specific system.
Is A16860 still available?
A16860 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026