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Technical Data Sheet
PartsTable / COMPONENT / 18356N GROUP 8 PC NO. 31
18356N GROUP 8 PC NO. 31 ✓ 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 GROUP 8 PC NO. 31 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 5340-01-526-4345, 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 GROUP 8 PC NO. 31
NSN: 5340-01-526-4345
FSC: 5340
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
Part Number18356N GROUP 8 PC NO. 31
NSN5340-01-526-4345
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 18356N GROUP 8 PC NO. 31 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
•
OVERALL DIAMETER: 8.000 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY
•
ACCESSORY COMPONENTS AND QUANTITY: HANDWHEEL COMPLETE 1, HAND WHEEL DISK 1, SCREW SELF TAPPING TYPE F PAN HEAD NO. 6-32 X 1/2 LONG 3.
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER8.000 INCHES NOMINAL IN
SPECIAL FEATURESSCREWS ARE MADE OF CORROSION RESISISTING STEEL, HAND WHEEL DISK IS MADE OF STEEL.
MATERIALALUMINUM ALLOY
PART NAME ASSIGNED BY CONTROLLING AGENCYHANDWHEEL
END ITEM IDENTIFICATIONTUBING AY
ACCESSORY COMPONENTS AND QUANTITYHANDWHEEL COMPLETE 1, HAND WHEEL DISK 1, SCREW SELF TAPPING TYPE F PAN HEAD NO. 6-32 X 1/2 LONG 3.
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
42226Interchangeable
interchangeable cross-reference
interchangeable
949524Interchangeable
interchangeable cross-reference
interchangeable
PA-1904Interchangeable
interchangeable cross-reference
interchangeable
70667685Interchangeable
interchangeable cross-reference
interchangeable
T61474Interchangeable
interchangeable cross-reference
interchangeable
307861-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18356N GROUP 8 PC NO. 31?
18356N GROUP 8 PC NO. 31 is a 18356N GROUP 8 PC NO. 31.
What parts can replace 18356N GROUP 8 PC NO. 31?
There are 10 known substitutes for 18356N GROUP 8 PC NO. 31: 42226, 949524, PA-1904 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18356N GROUP 8 PC NO. 31?
18356N GROUP 8 PC NO. 31 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-526-4345. 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