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13186-3 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

13186-3: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC ACETAL, design_type: THREADED, thread_class: 2A A, overall_diameter: 3.010 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-517-6662, 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
13186-3
NSN: 5340-01-517-6662
FSC: 5340 — Hardware, Commercial
CAGE: 52196 — CATON CONNECTOR CORPORATION DBA CATON CONNECTOR CORP (USA)
SPECIFICATIONS
materialPLASTIC ACETAL
design_typeTHREADED
thread_class2A A
overall_diameter3.010 INCHES MAXIMUM IN
NSN5340-01-517-6662
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 13186-3 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
•
DESIGN TYPE: THREADED
•
OVERALL DIAMETER: 3.010 INCHES MAXIMUM IN
•
THREAD CLASS: 2A A
•
MATERIAL: PLASTIC ACETAL
TECHNICAL CHARACTERISTICS
DESIGN TYPETHREADED
OVERALL DIAMETER3.010 INCHES MAXIMUM IN
THREAD CLASS2A A
MATERIALPLASTIC ACETAL
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
11472903-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 13186-3?
13186-3 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 13186-3?
There is 1 known substitute for 13186-3: 11472903-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 13186-3?
13186-3 is cataloged in the U.S. Government catalog under NSN 5340-01-517-6662. 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.