PartsTable
Technical Data Sheet

A4/14403/15 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A4/14403/15: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER NEOPRENE OVERALL, overall_width: 250.0 MILLIMETERS NOMINAL MM, overall_length: 540.0 MILLIMETERS NOMINAL MM, part_name_assigned_by_controlling_agency: OPENING COVER GASKET. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-677-9649, 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
A4/14403/15
NSN: 5330-01-677-9649
FSC: 5330 — Packing and Gasket Materials
CAGE: 05CE2 — THERMO ENGINEERING (USA)
SPECIFICATIONS
materialRUBBER NEOPRENE OVERALL
overall_width250.0 MILLIMETERS NOMINAL MM
overall_length540.0 MILLIMETERS NOMINAL MM
part_name_assigned_by_controlling_agencyOPENING COVER GASKET
NSN5330-01-677-9649
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A4/14403/15 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
•
MATERIAL: RUBBER NEOPRENE OVERALL
TECHNICAL CHARACTERISTICS
OVERALL LENGTH540.0 MILLIMETERS NOMINAL MM
OVERALL WIDTH250.0 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYOPENING COVER GASKET
MATERIALRUBBER NEOPRENE OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
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 A4/14403/15?
A4/14403/15 is a GASKET.
What is the NSN for A4/14403/15?
A4/14403/15 is cataloged in the U.S. Government catalog under NSN 5330-01-677-9649. 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.