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9363640 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9363640: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: STEEL, design_type: FRICTION, overall_diameter: 3.000 INCHES NOMINAL IN, inside_diameter_length: 0.360 INCHES NOMINAL IN, round_cap_outside_surface_condition: SMOOTH, tube_outside_diameter_for_which_designed: 2.743 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-279-7888, 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
9363640
NSN: 5340-01-279-7888
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL
design_typeFRICTION
overall_diameter3.000 INCHES NOMINAL IN
inside_diameter_length0.360 INCHES NOMINAL IN
round_cap_outside_surface_conditionSMOOTH
tube_outside_diameter_for_which_designed2.743 INCHES NOMINAL IN
NSN5340-01-279-7888
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9363640 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: 3.000 INCHES NOMINAL IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 2.743 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
INSIDE DIAMETER LENGTH: 0.360 INCHES NOMINAL IN
•
ROUND CAP OUTSIDE SURFACE CONDITION: SMOOTH
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER3.000 INCHES NOMINAL IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED2.743 INCHES NOMINAL IN
MATERIALSTEEL
INSIDE DIAMETER LENGTH0.360 INCHES NOMINAL IN
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 9363640?
9363640 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for 9363640?
9363640 is cataloged in the U.S. Government catalog under NSN 5340-01-279-7888. 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.