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Technical Data Sheet
PartsTable / COMPONENT / 18356N,PC22
18356N,PC22 ✓ 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 18356N,PC22 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-135-8131, 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
18356N,PC22
NSN: 5330-01-135-8131
FSC: 5330
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
Part Number18356N,PC22
NSN5330-01-135-8131
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 18356N,PC22 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
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
•
APERTURE DIAMETER: 4.125 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.437 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
OUTSIDE DIAMETER: 5.875 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 5.000 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 8
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
APERTURE DIAMETER4.125 INCHES NOMINAL IN
HOLE DIAMETER0.437 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CRITICALITY CODE JUSTIFICATIONZZZY
OUTSIDE DIAMETER5.875 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER5.000 INCHES NOMINAL IN
BOLT HOLE QUANTITY8
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
37761Interchangeable
interchangeable cross-reference
interchangeable
61740Interchangeable
interchangeable cross-reference
interchangeable
628TAPERNO2-5-8DIAInterchangeable
interchangeable cross-reference
interchangeable
18356N GROUP 6Interchangeable
interchangeable cross-reference
interchangeable
N3776195Interchangeable
interchangeable cross-reference
interchangeable
14302NPC20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18356N,PC22?
18356N,PC22 is a 18356N,PC22.
What parts can replace 18356N,PC22?
There are 13 known substitutes for 18356N,PC22: 37761, 61740, 628TAPERNO2-5-8DIA and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18356N,PC22?
18356N,PC22 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-135-8131. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026