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Technical Data Sheet
GPW8543 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. Key specifications include material: PAPER AND GLUE OVERALL, hole_diameter: 0.340 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 4.210 INCHES NOMINAL IN, overall_length: 5.810 INCHES NOMINAL IN, cross-sectional_thickness: 0.034 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-354-3772, 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
GPW8543
NSN: 5330-00-354-3772
FSC: 5330
CAGE: 23040 — FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES (USA)
SPECIFICATIONS
materialPAPER AND GLUE OVERALL
hole_diameter0.340 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width4.210 INCHES NOMINAL IN
overall_length5.810 INCHES NOMINAL IN
cross-sectional_thickness0.034 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN5330-00-354-3772
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: GPW8543 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: 0.034 INCHES NOMINAL IN
HOLE DIAMETER: 0.340 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL: PAPER AND GLUE OVERALL
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH5.810 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.034 INCHES NOMINAL IN
HOLE DIAMETER0.340 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL
OVERALL WIDTH4.210 INCHES NOMINAL IN
MATERIALPAPER AND GLUE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
Q0128161Interchangeable
interchangeable cross-reference
interchangeable
2-226N304-70Interchangeable
interchangeable cross-reference
interchangeable
26-226Interchangeable
interchangeable cross-reference
interchangeable
301877Interchangeable
interchangeable cross-reference
interchangeable
637053Interchangeable
interchangeable cross-reference
interchangeable
1631095-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GPW8543?
GPW8543 is a GASKET.
What parts can replace GPW8543?
There are 8 known substitutes for GPW8543: Q0128161, 2-226N304-70, 26-226 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GPW8543?
GPW8543 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-354-3772. This indicates validated use in U.S. government and defense supply chains.
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