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8173425 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8173425: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include material: RUBBER CHLOROPRENE CLASS CR OVERALL, construction: SOLIDSOLID, aperture_width: 10.672 INCHES MINIMUM AND 10.672 INCHES MINIMUM AND 10.703 INCHES MAXIMUM10.703 INCHES MAXIMUM IN, aperture_length: 21.578 INCHES MINIMUM AND 21.578 INCHES MINIMUM AND 21.609 INCHES MAXIMUM21.609 INCHES MAXIMUM IN, style_designator: NON-CIRCULAR, attachment_method: ROUND HOLEROUND HOLE. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-535-7386, 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
8173425
NSN: 5330-00-535-7386
FSC: 5330 — Packing and Gasket Materials
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
constructionSOLIDSOLID
aperture_width10.672 INCHES MINIMUM AND 10.672 INCHES MINIMUM AND 10.703 INCHES MAXIMUM10.703 INCHES MAXIMUM IN
aperture_length21.578 INCHES MINIMUM AND 21.578 INCHES MINIMUM AND 21.609 INCHES MAXIMUM21.609 INCHES MAXIMUM IN
style_designatorNON-CIRCULAR
attachment_methodROUND HOLEROUND HOLE
fabrication_methodSOLIDSOLID
cross-sectional_width1.234 INCHES MINIMUM AND 1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM1.266 INCHES MAXIMUM IN
cross-sectional_height0.234 INCHES MINIMUM AND 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM0.266 INCHES MAXIMUM IN
attachment_hole_diameter0.421 INCHES NOMINAL0.421 INCHES NOMINAL IN
attachment_feature_quantity88
cross-sectional_shape_styleSPECIALSPECIAL
NSN5330-00-535-7386
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8173425 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: 0.421 INCHES NOMINAL0.421 INCHES NOMINAL IN
•
ATTACHMENT FEATURE QUANTITY: 88
•
CROSS-SECTIONAL HEIGHT: 0.234 INCHES MINIMUM AND 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM0.266 INCHES MAXIMUM IN
•
CROSS-SECTIONAL WIDTH: 1.234 INCHES MINIMUM AND 1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM1.266 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2000 2BC515ABF ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SPECIALSPECIAL
•
APERTURE WIDTH: 10.672 INCHES MINIMUM AND 10.672 INCHES MINIMUM AND 10.703 INCHES MAXIMUM10.703 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
ATTACHMENT HOLE DIAMETER0.421 INCHES NOMINAL0.421 INCHES NOMINAL IN
ATTACHMENT FEATURE QUANTITY88
CROSS-SECTIONAL HEIGHT0.234 INCHES MINIMUM AND 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM0.266 INCHES MAXIMUM IN
CROSS-SECTIONAL WIDTH1.234 INCHES MINIMUM AND 1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM1.266 INCHES MAXIMUM IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2000 2BC515ABF ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESPECIALSPECIAL
APERTURE WIDTH10.672 INCHES MINIMUM AND 10.672 INCHES MINIMUM AND 10.703 INCHES MAXIMUM10.703 INCHES MAXIMUM IN
ATTACHMENT FEATURE CENTER TO CENTER DISTANCE ALONG WIDTH9.000 INCHES NOMINAL9.000 INCHES NOMINAL IN
APERTURE LENGTH21.578 INCHES MINIMUM AND 21.578 INCHES MINIMUM AND 21.609 INCHES MAXIMUM21.609 INCHES MAXIMUM 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 8173425?
8173425 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What is the NSN for 8173425?
8173425 is cataloged in the U.S. Government catalog under NSN 5330-00-535-7386. 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.