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8799343 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC, design_type: FRICTION, overall_diameter: 0.500 INCHES NOMINAL IN, inside_diameter_length: 0.750 INCHES NOMINAL IN, round_cap_outside_surface_condition: RIBBED, tube_outside_diameter_for_which_designed: 0.438 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-813-4913, 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
8799343
NSN: 5340-00-813-4913
FSC: 5340
CAGE: 19203 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV US ARMY RESEARCH, DEVELOPMENT AND ENGINEERING COMMAND ARMAMENT (USA)
SPECIFICATIONS
materialPLASTIC
design_typeFRICTION
overall_diameter0.500 INCHES NOMINAL IN
inside_diameter_length0.750 INCHES NOMINAL IN
round_cap_outside_surface_conditionRIBBED
tube_outside_diameter_for_which_designed0.438 INCHES NOMINAL IN
NSN5340-00-813-4913
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8799343 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
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.438 INCHES NOMINAL IN
•
INSIDE DIAMETER LENGTH: 0.750 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.500 INCHES NOMINAL IN
•
ROUND CAP OUTSIDE SURFACE CONDITION: RIBBED
•
DESIGN TYPE: FRICTION
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS (FLIS)
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.438 INCHES NOMINAL IN
INSIDE DIAMETER LENGTH0.750 INCHES NOMINAL IN
OVERALL DIAMETER0.500 INCHES NOMINAL IN
ROUND CAP OUTSIDE SURFACE CONDITIONRIBBED
DESIGN TYPEFRICTION
MATERIALPLASTIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
W14Interchangeable
interchangeable cross-reference
interchangeable
AN1-4-7601-71PC105Interchangeable
interchangeable cross-reference
interchangeable
CM5-7601-295PC105Interchangeable
interchangeable cross-reference
interchangeable
34890MPC25Interchangeable
interchangeable cross-reference
interchangeable
MILB385Interchangeable
interchangeable cross-reference
interchangeable
9B143Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8799343?
8799343 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 8799343?
There are 16 known substitutes for 8799343: W14, AN1-4-7601-71PC105, CM5-7601-295PC105 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8799343?
8799343 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-813-4913. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026