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1187406 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1187406: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: COPPER OVERALL, seal_width: 1.5 MILLIMETERS NOMINAL MM, special_features: MAX WORKING TEMPERATURE 300 DEGREES CELSIUS, peripheral_diameter: 26.9 MILLIMETERS NOMINAL MM, center_hole_diameter: 22.2 MILLIMETERS NOMINAL MM, cross-sectional_shape_style: O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-682-9828, 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
1187406
NSN: 5330-01-682-9828
FSC: 5330 — Packing and Gasket Materials
CAGE: 0RW44 — BOSSARD INTL INC (USA)
SPECIFICATIONS
materialCOPPER OVERALL
seal_width1.5 MILLIMETERS NOMINAL MM
special_featuresMAX WORKING TEMPERATURE 300 DEGREES CELSIUS
peripheral_diameter26.9 MILLIMETERS NOMINAL MM
center_hole_diameter22.2 MILLIMETERS NOMINAL MM
cross-sectional_shape_styleO-RING
cross_section_outside_diameter1.5 MILLIMETERS NOMINAL MM
part_name_assigned_by_controlling_agencySEALING RING
NSN5330-01-682-9828
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1187406 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
•
SEAL WIDTH: 1.5 MILLIMETERS NOMINAL MM
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
•
PERIPHERAL DIAMETER: 26.9 MILLIMETERS NOMINAL MM
•
CENTER HOLE DIAMETER: 22.2 MILLIMETERS NOMINAL MM
•
CROSS SECTION OUTSIDE DIAMETER: 1.5 MILLIMETERS NOMINAL MM
•
MATERIAL: COPPER OVERALL
TECHNICAL CHARACTERISTICS
SEAL WIDTH1.5 MILLIMETERS NOMINAL MM
CROSS-SECTIONAL SHAPE STYLEO-RING
PERIPHERAL DIAMETER26.9 MILLIMETERS NOMINAL MM
SPECIAL FEATURESMAX WORKING TEMPERATURE 300 DEGREES CELSIUS
CENTER HOLE DIAMETER22.2 MILLIMETERS NOMINAL MM
CROSS SECTION OUTSIDE DIAMETER1.5 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYSEALING RING
MATERIALCOPPER 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 1187406?
1187406 is a SEAL,PLAIN ENCASED.
What is the NSN for 1187406?
1187406 is cataloged in the U.S. Government catalog under NSN 5330-01-682-9828. 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.