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2555606 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2555606: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC AND CORK OVERALL, hole_diameter: 0.240 INCHES MINIMUM AND 0.265 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, hardness_rating: 55.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL, outside_diameter: 2.750 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.688 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-530-4058, 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
2555606
NSN: 5330-00-530-4058
NIINs: 005304058, 010812858
FSC: 5330 — Packing and Gasket Materials
CAGE: 18355 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC AND CORK OVERALL
hole_diameter0.240 INCHES MINIMUM AND 0.265 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
hardness_rating55.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL
outside_diameter2.750 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.688 INCHES NOMINAL IN
bolt_hole_quantity6
bolt_circle_diameter2.250 INCHES NOMINAL IN
fsc_application_dataREEL,INFLIGHT REFUELING,AIRCRAFT
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-C-6183,TY 1,CL 1,GR B MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN5330-00-530-4058
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2555606 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
•
FSC APPLICATION DATA: REEL,INFLIGHT REFUELING,AIRCRAFT
•
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
•
HARDNESS RATING: 55.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-6183,TY 1,CL 1,GR B MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 2.750 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.688 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAREEL,INFLIGHT REFUELING,AIRCRAFT
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
HARDNESS RATING55.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-6183,TY 1,CL 1,GR B MIL SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER2.750 INCHES NOMINAL IN
APERTURE DIAMETER1.688 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
BOLT CIRCLE DIAMETER2.250 INCHES NOMINAL IN
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 2555606?
2555606 is a GASKET.
What is the NSN for 2555606?
2555606 is cataloged in the U.S. Government catalog under NSN 5330-00-530-4058. 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.