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4119390 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4119390: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC VINYL, design_type: MOLDED, overall_height: 31.8 MILLIMETERS NOMINAL MM, overall_length: 111.1 MILLIMETERS NOMINAL MM, end_item_identification: 2320016525208, part_name_assigned_by_controlling_agency: 4119390. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-679-1074, 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
4119390
NSN: 5340-01-679-1074
FSC: 5340 — Hardware, Commercial
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialPLASTIC VINYL
design_typeMOLDED
overall_height31.8 MILLIMETERS NOMINAL MM
overall_length111.1 MILLIMETERS NOMINAL MM
end_item_identification2320016525208
part_name_assigned_by_controlling_agency4119390
NSN5340-01-679-1074
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4119390 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: MOLDED
•
MATERIAL: PLASTIC VINYL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT31.8 MILLIMETERS NOMINAL MM
DESIGN TYPEMOLDED
OVERALL LENGTH111.1 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCY4119390
END ITEM IDENTIFICATION2320016525208
MATERIALPLASTIC VINYL
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 1
VC-4375-20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 4119390?
4119390 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 4119390?
There is 1 known substitute for 4119390: VC-4375-20. Substitute compatibility should be verified for your specific system.
What is the NSN for 4119390?
4119390 is cataloged in the U.S. Government catalog under NSN 5340-01-679-1074. 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.