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Technical Data Sheet
803-5959278-027 ✓ 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,SPIRAL WOUND is a the manufacturer industrial component. Key specifications include material: STEEL OUTER RING, aperture_width: 3.375 INCHES NOMINAL3.375 INCHES NOMINAL IN, aperture_length: 3.750 INCHES NOMINAL3.750 INCHES NOMINAL IN, special_features: CONTAINS NON-ASBESTOS MATERIALCONTAINS NON-ASBESTOS MATERIAL, style_designator: DIAMOND, bearing_surface_width: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-392-3346, 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
803-5959278-027
NSN: 5330-01-392-3346
FSC: 5330
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
aperture_width3.375 INCHES NOMINAL3.375 INCHES NOMINAL IN
aperture_length3.750 INCHES NOMINAL3.750 INCHES NOMINAL IN
special_featuresCONTAINS NON-ASBESTOS MATERIALCONTAINS NON-ASBESTOS MATERIAL
style_designatorDIAMOND
bearing_surface_width0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
cross-sectional_thickness0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
environmental_attribute_codeASBESTOS ALTERNATIVE PRODUCTSASBESTOS ALTERNATIVE PRODUCTS
NSN5330-01-392-3346
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 803-5959278-027 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: 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN
ENVIRONMENTAL ATTRIBUTE CODE: ASBESTOS ALTERNATIVE PRODUCTSASBESTOS ALTERNATIVE PRODUCTS
MATERIAL: STEEL OUTER RING
BEARING SURFACE WIDTH: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
APERTURE LENGTH: 3.750 INCHES NOMINAL3.750 INCHES NOMINAL IN
APERTURE WIDTH: 3.375 INCHES NOMINAL3.375 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL THICKNESS0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN
ENVIRONMENTAL ATTRIBUTE CODEASBESTOS ALTERNATIVE PRODUCTSASBESTOS ALTERNATIVE PRODUCTS
SPECIAL FEATURESCONTAINS NON-ASBESTOS MATERIALCONTAINS NON-ASBESTOS MATERIAL
MATERIALSTEEL OUTER RING
BEARING SURFACE WIDTH0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
APERTURE LENGTH3.750 INCHES NOMINAL3.750 INCHES NOMINAL IN
APERTURE WIDTH3.375 INCHES NOMINAL3.375 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEMETAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
MATERIALGRAPHITE CORE
STYLE DESIGNATORDIAMOND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
803-5959278Interchangeable
interchangeable cross-reference
interchangeable
MIL-G-15342Interchangeable
interchangeable cross-reference
interchangeable
5000S5101F841218Interchangeable
interchangeable cross-reference
interchangeable
5000S5101F841218TYPE5Interchangeable
interchangeable cross-reference
interchangeable
5000S5101F841218TYPE2Interchangeable
interchangeable cross-reference
interchangeable
MX292718-842Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 803-5959278-027?
803-5959278-027 is a GASKET,SPIRAL WOUND.
What parts can replace 803-5959278-027?
There are 14 known substitutes for 803-5959278-027: 803-5959278, MIL-G-15342, 5000S5101F841218 and 11 more. Substitute compatibility should be verified for your specific system.
Is 803-5959278-027 still available?
803-5959278-027 is currently cancelled.
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