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30800305 — PLUG,PROTECTIVE,DUST AND MOISTUR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

30800305: PLUG,PROTECTIVE,DUST AND MOISTUR.

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: RUBBER SILICONE, design_type: FRICTION, overall_diameter: 0.680 INCHES NOMINAL IN, special_features: 2 HOLES 0.030 IN. DIA,0.375 IN.

DEEP,0.112 IN. C TO C IN, features_provided: SHOULDER, opening_inside_diameter_for_which_designed: 0.435 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-032-8110, 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
30800305
NSN: 5340-01-032-8110
FSC: 5340 — Hardware, Commercial
CAGE: 05167 — MEGGITT SAFETY SYSTEMS INC (USA)
SPECIFICATIONS
materialRUBBER SILICONE
design_typeFRICTION
overall_diameter0.680 INCHES NOMINAL IN
special_features2 HOLES 0.030 IN. DIA,0.375 IN. DEEP,0.112 IN. C TO C IN
features_providedSHOULDER
opening_inside_diameter_for_which_designed0.435 INCHES NOMINAL IN
NSN5340-01-032-8110
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 30800305 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: 0.680 INCHES NOMINAL IN
•
FEATURES PROVIDED: SHOULDER
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 0.435 INCHES NOMINAL IN
•
MATERIAL: RUBBER SILICONE
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER0.680 INCHES NOMINAL IN
FEATURES PROVIDEDSHOULDER
OPENING INSIDE DIAMETER FOR WHICH DESIGNED0.435 INCHES NOMINAL IN
SPECIAL FEATURES2 HOLES 0.030 IN. DIA,0.375 IN. DEEP,0.112 IN. C TO C IN
MATERIALRUBBER SILICONE
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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 30800305?
30800305 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What is the NSN for 30800305?
30800305 is cataloged in the U.S. Government catalog under NSN 5340-01-032-8110. 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.