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99208286 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

99208286: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC, design_type: FRICTION, tube_outside_diameter_for_which_designed: 0.850 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-446-4208, 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
99208286
NSN: 5340-01-446-4208
FSC: 5340 — Hardware, Commercial
CAGE: F6481 — THALES SA (FRA)
SPECIFICATIONS
materialPLASTIC
design_typeFRICTION
tube_outside_diameter_for_which_designed0.850 INCHES NOMINAL IN
NSN5340-01-446-4208
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 99208286 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
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.850 INCHES NOMINAL IN
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.850 INCHES NOMINAL IN
MATERIALPLASTIC
SUBSTITUTES & CROSS-REFERENCES 4
SAE-AS85049/138Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
MS90376-14RBReference document
Same NSN cross-reference
Reference document — Secondary reference
M85049/138-28CReference document
Same NSN cross-reference
Reference document — Design control — primary reference
5340PL2194292Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 99208286?
99208286 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 99208286?
There are 4 known substitutes for 99208286: SAE-AS85049/138, MS90376-14RB, M85049/138-28C and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 99208286?
99208286 is cataloged in the U.S. Government catalog under NSN 5340-01-446-4208. 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.