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S1588-1 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S1588-1: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: CORK AND RUBBER OVERALL, hole_diameter: 0.193 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 2.750 INCHES NOMINAL IN, special_features: 3 ROUND INTERNAL KEYWAYS WITH A 0.090 IN. RADIUS IN, aperture_diameter: 1.620 INCHES NOMINAL IN, bolt_circle_diameter: 2.120 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-997-0581, 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
S1588-1
NSN: 5330-00-997-0581
FSC: 5330 — Packing and Gasket Materials
CAGE: 7EK50 — TEXTRON AVIATION INC (USA)
SPECIFICATIONS
materialCORK AND RUBBER OVERALL
hole_diameter0.193 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter2.750 INCHES NOMINAL IN
special_features3 ROUND INTERNAL KEYWAYS WITH A 0.090 IN. RADIUS IN
aperture_diameter1.620 INCHES NOMINAL IN
bolt_hole_quantity5
bolt_circle_diameter2.120 INCHES NOMINAL IN
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-997-0581
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S1588-1 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
•
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 2.750 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.620 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 5
•
BOLT CIRCLE DIAMETER: 2.120 INCHES NOMINAL IN
•
MATERIAL: CORK AND RUBBER OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER2.750 INCHES NOMINAL IN
APERTURE DIAMETER1.620 INCHES NOMINAL IN
BOLT HOLE QUANTITY5
BOLT CIRCLE DIAMETER2.120 INCHES NOMINAL IN
SPECIAL FEATURES3 ROUND INTERNAL KEYWAYS WITH A 0.090 IN. RADIUS IN
MATERIALCORK AND RUBBER OVERALL
HOLE DIAMETER0.193 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S1588-1?
S1588-1 is a GASKET.
What is the NSN for S1588-1?
S1588-1 is cataloged in the U.S. Government catalog under NSN 5330-00-997-0581. 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.