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CEC-06 — CAP-PLUG,PROTECTIVE,DUST AND MOI

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

CEC-06: CAP-PLUG,PROTECTIVE,DUST AND MOI.

CAP-PLUG,PROTECTIVE,DUST AND MOI. Key specifications include length_under_shoulder: 0.500 INCHES NOMINAL IN, open_end_inside_diameter: 0.375 INCHES NOMINAL IN, closed_end_overall_diameter: 0.620 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-282-1478, 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
CEC-06
NSN: 5340-01-282-1478
FSC: 5340 — Hardware, Commercial
CAGE: 99017 — CAPLUGS LLC DBA MOKON DIV CAPLUGS (USA)
SPECIFICATIONS
length_under_shoulder0.500 INCHES NOMINAL IN
open_end_inside_diameter0.375 INCHES NOMINAL IN
closed_end_overall_diameter0.620 INCHES NOMINAL IN
NSN5340-01-282-1478
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CEC-06 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
•
CLOSED END OVERALL DIAMETER: 0.620 INCHES NOMINAL IN
•
LENGTH UNDER SHOULDER: 0.500 INCHES NOMINAL IN
•
OPEN END INSIDE DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CLOSED END OVERALL DIAMETER0.620 INCHES NOMINAL IN
LENGTH UNDER SHOULDER0.500 INCHES NOMINAL IN
OPEN END INSIDE DIAMETER0.375 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 2
P4330556-3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
312995-006Reference 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 CEC-06?
CEC-06 is a CAP-PLUG,PROTECTIVE,DUST AND MOI.
What parts can replace CEC-06?
There are 2 known substitutes for CEC-06: P4330556-3, 312995-006. Substitute compatibility should be verified for your specific system.
What is the NSN for CEC-06?
CEC-06 is cataloged in the U.S. Government catalog under NSN 5340-01-282-1478. 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.