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517803 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

517803: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, hole_diameter: 0.430 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 17.750 INCHES NOMINAL IN, aperture_width: 15.630 INCHES NOMINAL IN, overall_length: 27.030 INCHES NOMINAL IN, aperture_length: 24.430 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-734-6525, 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
517803
NSN: 5330-00-734-6525
FSC: 5330 — Packing and Gasket Materials
CAGE: 63728 — SEALCRAFT CORPORATION (USA)
SPECIFICATIONS
materialASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
hole_diameter0.430 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width17.750 INCHES NOMINAL IN
aperture_width15.630 INCHES NOMINAL IN
overall_length27.030 INCHES NOMINAL IN
aperture_length24.430 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
bolt_hole_quantity38
inside_corner_radius1.560 INCHES NOMINAL IN
cross-sectional_thickness0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-734-6525
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 517803 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: 0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
•
INSIDE CORNER RADIUS: 1.560 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 15.630 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
INSIDE CORNER RADIUS1.560 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH27.030 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH17.750 INCHES NOMINAL IN
APERTURE WIDTH15.630 INCHES NOMINAL IN
OUTSIDE CORNER BEVEL LENGTH ALONG WIDTH0.875 INCHES NOMINAL IN
APERTURE LENGTH24.430 INCHES NOMINAL 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 1
7346525Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 517803?
517803 is a GASKET.
What parts can replace 517803?
There is 1 known substitute for 517803: 7346525. Substitute compatibility should be verified for your specific system.
What is the NSN for 517803?
517803 is cataloged in the U.S. Government catalog under NSN 5330-00-734-6525. 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.