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628260 — GASKET,SPIRAL WOUND

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

628260: GASKET,SPIRAL WOUND.

The GASKET,SPIRAL WOUND is a the manufacturer industrial component. Key specifications include hole_diameter: 0.281 INCHES NOMINAL IN, overall_width: 2.875 INCHES NOMINAL IN, gage_ring_thickness: 0.105 INCHES NOMINAL IN, bolt_circle_diameter: 2.500 INCHES NOMINAL IN, outside_corner_radius: 0.250 INCHES NOMINAL IN, cross-sectional_thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-458-2928, 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
628260
NSN: 5330-00-458-2928
FSC: 5330 — Packing and Gasket Materials
CAGE: 63728 — SEALCRAFT CORPORATION (USA)
SPECIFICATIONS
hole_diameter0.281 INCHES NOMINAL IN
overall_width2.875 INCHES NOMINAL IN
gage_ring_thickness0.105 INCHES NOMINAL IN
bolt_circle_diameter2.500 INCHES NOMINAL IN
outside_corner_radius0.250 INCHES NOMINAL IN
cross-sectional_thickness0.125 INCHES NOMINAL IN
side_radius_from_gasket_center1.156 INCHES NOMINAL IN
NSN5330-00-458-2928
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 628260 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
•
GAGE RING THICKNESS: 0.105 INCHES NOMINAL IN
•
SIDE RADIUS FROM GASKET CENTER: 1.156 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 2.500 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 0.250 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.281 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
GAGE RING THICKNESS0.105 INCHES NOMINAL IN
SIDE RADIUS FROM GASKET CENTER1.156 INCHES NOMINAL IN
OVERALL WIDTH2.875 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER2.500 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.250 INCHES NOMINAL IN
HOLE DIAMETER0.281 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 628260?
628260 is a GASKET,SPIRAL WOUND.
What is the NSN for 628260?
628260 is cataloged in the U.S. Government catalog under NSN 5330-00-458-2928. 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.