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AGS2118C — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AGS2118C: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: ALUMINUM, design_type: THREADED, overall_diameter: 0.700 INCHES NOMINAL IN, round_cap_outside_surface_condition: SERRATED, thread_size_and_series/type_designator: 3/8-19 UNS, tube_outside_diameter_for_which_designed: 0.700 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-428-5441, 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
AGS2118C
NSN: 5340-00-428-5441
FSC: 5340 — Hardware, Commercial
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialALUMINUM
design_typeTHREADED
overall_diameter0.700 INCHES NOMINAL IN
round_cap_outside_surface_conditionSERRATED
thread_size_and_series/type_designator3/8-19 UNS
tube_outside_diameter_for_which_designed0.700 INCHES NOMINAL IN
NSN5340-00-428-5441
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AGS2118C 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: THREADED
•
OVERALL DIAMETER: 0.700 INCHES NOMINAL IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.700 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 3/8-19 UNS
•
ROUND CAP OUTSIDE SURFACE CONDITION: SERRATED
TECHNICAL CHARACTERISTICS
DESIGN TYPETHREADED
OVERALL DIAMETER0.700 INCHES NOMINAL IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.700 INCHES NOMINAL IN
MATERIALALUMINUM
THREAD SIZE AND SERIES/TYPE DESIGNATOR3/8-19 UNS
ROUND CAP OUTSIDE SURFACE CONDITIONSERRATED
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 AGS2118C?
AGS2118C is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for AGS2118C?
AGS2118C is cataloged in the U.S. Government catalog under NSN 5340-00-428-5441. 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.