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23018235 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

23018235: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYIMIDE AND GRAPHITE OVERALL, special_features: WITH 0.048-0.062 IN GAP; FOUR 0.040-0.050 IN GROOVES IN, peripheral_diameter: 4.000 INCHES NOMINAL IN, center_hole_diameter: 3.865 INCHES MINIMUM AND 3.869 INCHES MAXIMUM IN, cross-sectional_height: 0.101 INCHES MINIMUM AND 0.117 INCHES MAXIMUM IN, cross-sectional_shape_style: SQUARE/RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-238-4613, 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
23018235
NSN: 5330-01-238-4613
FSC: 5330 — Packing and Gasket Materials
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
materialPLASTIC POLYIMIDE AND GRAPHITE OVERALL
special_featuresWITH 0.048-0.062 IN GAP; FOUR 0.040-0.050 IN GROOVES IN
peripheral_diameter4.000 INCHES NOMINAL IN
center_hole_diameter3.865 INCHES MINIMUM AND 3.869 INCHES MAXIMUM IN
cross-sectional_height0.101 INCHES MINIMUM AND 0.117 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
material_document_and_classificationTMS 25150,CAGEC 73342 MFR REF ALL MATERIAL RESPONSES OVERALL
NSN5330-01-238-4613
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 23018235 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 HEIGHT: 0.101 INCHES MINIMUM AND 0.117 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: TMS 25150,CAGEC 73342 MFR REF ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
PERIPHERAL DIAMETER: 4.000 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 3.865 INCHES MINIMUM AND 3.869 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYIMIDE AND GRAPHITE OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.101 INCHES MINIMUM AND 0.117 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONTMS 25150,CAGEC 73342 MFR REF ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
PERIPHERAL DIAMETER4.000 INCHES NOMINAL IN
SPECIAL FEATURESWITH 0.048-0.062 IN GAP; FOUR 0.040-0.050 IN GROOVES IN
CENTER HOLE DIAMETER3.865 INCHES MINIMUM AND 3.869 INCHES MAXIMUM IN
MATERIALPLASTIC POLYIMIDE AND GRAPHITE OVERALL
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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 23018235?
23018235 is a PACKING,PREFORMED.
What is the NSN for 23018235?
23018235 is cataloged in the U.S. Government catalog under NSN 5330-01-238-4613. 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.