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206-6876 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

206-6876: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC, design_type: FRICTION, overall_diameter: 12.3 MILLIMETERS NOMINAL MM, special_features: HIGH-TEMPERATURE SOFT PVC VINYL, ERGONOMIC FINGER PULL TAB FOR EASY REMOVAL, EXCELLENT CHEMICAL RESISTANCE, end_item_identification: 3805015507164 SCRAPER,TRACTOR, round_cap_outside_surface_condition: SMOOTH. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-604-8971, 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
206-6876
NSN: 5340-01-604-8971
FSC: 5340 — Hardware, Commercial
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialPLASTIC
design_typeFRICTION
overall_diameter12.3 MILLIMETERS NOMINAL MM
special_featuresHIGH-TEMPERATURE SOFT PVC VINYL, ERGONOMIC FINGER PULL TAB FOR EASY REMOVAL, EXCELLENT CHEMICAL RESISTANCE
end_item_identification3805015507164 SCRAPER,TRACTOR
round_cap_outside_surface_conditionSMOOTH
part_name_assigned_by_controlling_agencyCAP-TUBE
opening_inside_diameter_for_which_designed9.5 MILLIMETERS NOMINAL MM
NSN5340-01-604-8971
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 206-6876 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: FRICTION
•
OVERALL DIAMETER: 12.3 MILLIMETERS NOMINAL MM
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 9.5 MILLIMETERS NOMINAL MM
•
MATERIAL: PLASTIC
•
ROUND CAP OUTSIDE SURFACE CONDITION: SMOOTH
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER12.3 MILLIMETERS NOMINAL MM
OPENING INSIDE DIAMETER FOR WHICH DESIGNED9.5 MILLIMETERS NOMINAL MM
SPECIAL FEATURESHIGH-TEMPERATURE SOFT PVC VINYL, ERGONOMIC FINGER PULL TAB FOR EASY REMOVAL, EXCELLENT CHEMICAL RESISTANCE
PART NAME ASSIGNED BY CONTROLLING AGENCYCAP-TUBE
END ITEM IDENTIFICATION3805015507164 SCRAPER,TRACTOR
MATERIALPLASTIC
ROUND CAP OUTSIDE SURFACE CONDITIONSMOOTH
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 206-6876?
206-6876 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for 206-6876?
206-6876 is cataloged in the U.S. Government catalog under NSN 5340-01-604-8971. 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.