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26226203-04 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

26226203-04: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC VINYL, design_type: FRICTION, overall_diameter: 3.308 INCHES NOMINAL IN, inside_diameter_length: 0.344 INCHES NOMINAL IN, round_cap_outside_surface_condition: SMOOTH, tube_outside_diameter_for_which_designed: 2.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-909-0946, 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
26226203-04
NSN: 5340-00-909-0946
FSC: 5340 — Hardware, Commercial
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
materialPLASTIC VINYL
design_typeFRICTION
overall_diameter3.308 INCHES NOMINAL IN
inside_diameter_length0.344 INCHES NOMINAL IN
round_cap_outside_surface_conditionSMOOTH
tube_outside_diameter_for_which_designed2.500 INCHES NOMINAL IN
NSN5340-00-909-0946
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 26226203-04 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: 3.308 INCHES NOMINAL IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 2.500 INCHES NOMINAL IN
•
MATERIAL: PLASTIC VINYL
•
INSIDE DIAMETER LENGTH: 0.344 INCHES NOMINAL IN
•
ROUND CAP OUTSIDE SURFACE CONDITION: SMOOTH
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER3.308 INCHES NOMINAL IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED2.500 INCHES NOMINAL IN
MATERIALPLASTIC VINYL
INSIDE DIAMETER LENGTH0.344 INCHES NOMINAL IN
ROUND CAP OUTSIDE SURFACE CONDITIONSMOOTH
SUBSTITUTES & CROSS-REFERENCES 4
194-505-9004Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3-25Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
FC250Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
10117497Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 26226203-04?
26226203-04 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 26226203-04?
There are 4 known substitutes for 26226203-04: 194-505-9004, 3-25, FC250 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 26226203-04?
26226203-04 is cataloged in the U.S. Government catalog under NSN 5340-00-909-0946. 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.