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159-53403 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

159-53403: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include material: RUBBER SYNTHETIC OVERALL, construction: SOLID, style_designator: CIRCULAR, aperture_diameter: 5.313 INCHES NOMINAL IN, attachment_method: ROUND HOLE, fabrication_method: SOLID. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-245-9060, 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
159-53403
NSN: 5330-00-245-9060
FSC: 5330 — Packing and Gasket Materials
CAGE: 28298 — SMITH AND SMITH AIRCRAFT CO (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
constructionSOLID
style_designatorCIRCULAR
aperture_diameter5.313 INCHES NOMINAL IN
attachment_methodROUND HOLE
fabrication_methodSOLID
fsc_application_dataENGINE COWLING ASSY
cross-sectional_width1.219 INCHES NOMINAL IN
cross-sectional_height0.688 INCHES NOMINAL IN
attachment_hole_diameter0.188 INCHES NOMINAL IN
cross-sectional_thickness0.203 INCHES NOMINAL IN
attachment_feature_quantity12
NSN5330-00-245-9060
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 159-53403 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
•
ATTACHMENT HOLE DIAMETER: 0.188 INCHES NOMINAL IN
•
ATTACHMENT FEATURE QUANTITY: 12
•
FSC APPLICATION DATA: ENGINE COWLING ASSY
•
CROSS-SECTIONAL THICKNESS: 0.203 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.688 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 1.219 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3205 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
ATTACHMENT HOLE DIAMETER0.188 INCHES NOMINAL IN
ATTACHMENT FEATURE QUANTITY12
FSC APPLICATION DATAENGINE COWLING ASSY
CROSS-SECTIONAL THICKNESS0.203 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.688 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH1.219 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3205 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEHOLLOW BULB
APERTURE DIAMETER5.313 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

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 159-53403?
159-53403 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What is the NSN for 159-53403?
159-53403 is cataloged in the U.S. Government catalog under NSN 5330-00-245-9060. This indicates validated use in U.S. government and defense supply chains.
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