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556-7015844-15 — PLUG,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

556-7015844-15: PLUG,EXPANSION.

The PLUG,EXPANSION is a the manufacturer industrial component. Key specifications include height: 1.000 INCHES NOMINAL IN, material: NICKEL ALLOY, outside_diameter: 1.900 INCHES NOMINAL IN, style_designator: CUP, material_thickness: 0.250 INCHES NOMINAL IN, end_item_identification: OPERATOR ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-484-1452, 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
556-7015844-15
NSN: 5340-01-484-1452
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
height1.000 INCHES NOMINAL IN
materialNICKEL ALLOY
outside_diameter1.900 INCHES NOMINAL IN
style_designatorCUP
material_thickness0.250 INCHES NOMINAL IN
end_item_identificationOPERATOR ASSEMBLY
NSN5340-01-484-1452
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 556-7015844-15 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
•
OUTSIDE DIAMETER: 1.900 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CUP
•
MATERIAL THICKNESS: 0.250 INCHES NOMINAL IN
•
HEIGHT: 1.000 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER1.900 INCHES NOMINAL IN
STYLE DESIGNATORCUP
MATERIAL THICKNESS0.250 INCHES NOMINAL IN
HEIGHT1.000 INCHES NOMINAL IN
END ITEM IDENTIFICATIONOPERATOR ASSEMBLY
MATERIALNICKEL ALLOY
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 556-7015844-15?
556-7015844-15 is a PLUG,EXPANSION.
What is the NSN for 556-7015844-15?
556-7015844-15 is cataloged in the U.S. Government catalog under NSN 5340-01-484-1452. 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.