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73189 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

73189: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, aperture_width: 4.750 INCHES NOMINAL IN, gage_thickness: 0.019 INCHES NOMINAL IN, aperture_length: 7.062 INCHES NOMINAL IN, style_designator: OVAL, bearing_surface_width: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-069-9648, 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
73189
NSN: 5330-00-069-9648
NIINs: 000699648, 009324756
FSC: 5330 — Packing and Gasket Materials
CAGE: 80254 — TEXTRON LYCOMING INC WILLIAMSPORT PLANT (USA)
SPECIFICATIONS
materialIRON OVERALL
aperture_width4.750 INCHES NOMINAL IN
gage_thickness0.019 INCHES NOMINAL IN
aperture_length7.062 INCHES NOMINAL IN
style_designatorOVAL
bearing_surface_width0.500 INCHES NOMINAL IN
center_to_center_distance0.125 INCHES NOMINAL IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL
NSN5330-00-069-9648
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 73189 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: 0.031 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.880 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3232 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 3.120 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.880 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3232 ASSN STD ALL MATERIAL RESPONSES OVERALL
OVERALL LENGTH3.880 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH3.880 INCHES NOMINAL IN
APERTURE WIDTH3.120 INCHES NOMINAL IN
APERTURE LENGTH3.120 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
HAZMAT per U.S. Government catalogNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 73189?
73189 is a GASKET.
What is the NSN for 73189?
73189 is cataloged in the U.S. Government catalog under NSN 5330-00-069-9648. 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.