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F376-1426-2 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

F376-1426-2: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include special_features: REPLACEMENT SPARE PART FOR PHANTOM OXYGEN MASK, part_name_assigned_by_controlling_agency: CAP, REGULATOR STEM PROTECTIVE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-690-8850, 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
F376-1426-2
NSN: 5340-01-690-8850
FSC: 5340 — Hardware, Commercial
CAGE: 04577 — MISSION SYSTEMS ORCHARD PARK INC (USA)
SPECIFICATIONS
special_featuresREPLACEMENT SPARE PART FOR PHANTOM OXYGEN MASK
part_name_assigned_by_controlling_agencyCAP, REGULATOR STEM PROTECTIVE
NSN5340-01-690-8850
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: F376-1426-2 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESREPLACEMENT SPARE PART FOR PHANTOM OXYGEN MASK
PART NAME ASSIGNED BY CONTROLLING AGENCYCAP, REGULATOR STEM PROTECTIVE
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 F376-1426-2?
F376-1426-2 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for F376-1426-2?
F376-1426-2 is cataloged in the U.S. Government catalog under NSN 5340-01-690-8850. This indicates validated use in U.S. government and defense supply chains.
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