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GR1443-12-1 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

GR1443-12-1: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include overall_width: 8.375 INCHES NOMINAL IN, aperture_width: 7.875 INCHES NOMINAL IN, overall_length: 10.562 INCHES NOMINAL IN, aperture_length: 10.062 INCHES NOMINAL IN, hardness_rating: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL, style_designator: NON-CIRCULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-298-6548, 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
GR1443-12-1
NSN: 5330-00-298-6548
NIINs: 002986548, 005993929
FSC: 5330 — Packing and Gasket Materials
CAGE: 31550 — L3HARRIS TECHNOLOGIES, INC. DBA HARRIS CORPORATION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU OVERALL
overall_width8.375 INCHES NOMINAL IN
aperture_width7.875 INCHES NOMINAL IN
overall_length10.562 INCHES NOMINAL IN
aperture_length10.062 INCHES NOMINAL IN
hardness_rating45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
style_designatorNON-CIRCULAR
inside_corner_radius0.094 INCHES NOMINAL IN
outside_corner_radius0.125 INCHES NOMINAL IN
cross-sectional_thickness0.188 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationASTM D2000,5BG515 ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5330-00-298-6548
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: GR1443-12-1 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: 0.187 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.094 INCHES NOMINAL IN
•
HARDNESS RATING: 40.0 SHORE DUROMETER A NOMINAL OVERALL
•
STYLE DESIGNATOR: NON-CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 6.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.187 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.094 INCHES NOMINAL IN
HARDNESS RATING40.0 SHORE DUROMETER A NOMINAL OVERALL
STYLE DESIGNATORNON-CIRCULAR
OVERALL LENGTH8.375 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH6.625 INCHES NOMINAL IN
APERTURE WIDTH6.125 INCHES NOMINAL IN
APERTURE LENGTH7.875 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.125 INCHES NOMINAL IN
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 GR1443-12-1?
GR1443-12-1 is a GASKET.
What is the NSN for GR1443-12-1?
GR1443-12-1 is cataloged in the U.S. Government catalog under NSN 5330-00-298-6548. 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.