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Technical Data Sheet
PartsTable / O-RING / C2747
C2747 ✓ 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 BRUSH,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include material: SILVER GRAPHITE, center_hole_diameter: 4.445 INCHES MINIMUM AND 4.505 INCHES MAXIMUM IN, cross-sectional_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN, material_document_and_classification: KIRKWOOD GRADE 13S MFR REF SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-228-3308, 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
C2747
NSN: 5331-01-228-3308
FSC: 5331 — O-RING
CAGE: 02614 — CASCADE CORP (USA)
SPECIFICATIONS
materialSILVER GRAPHITE
center_hole_diameter4.445 INCHES MINIMUM AND 4.505 INCHES MAXIMUM IN
cross-sectional_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
material_document_and_classificationKIRKWOOD GRADE 13S MFR REF SINGLE MATERIAL RESPONSE
NSN5331-01-228-3308
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C2747 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
•
MATERIAL: RUBBER SYNTHETIC
•
CROSS-SECTIONAL HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 4.445 INCHES MINIMUM AND 4.505 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
CENTER HOLE DIAMETER4.445 INCHES MINIMUM AND 4.505 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
18943Interchangeable
interchangeable cross-reference
interchangeable
7-311411010-3Interchangeable
interchangeable cross-reference
interchangeable
C2747Interchangeable
interchangeable cross-reference
interchangeable
18726 ITEM 6Interchangeable
interchangeable cross-reference
interchangeable
S23425-004Interchangeable
interchangeable cross-reference
interchangeable
18851 ITEM 3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C2747?
C2747 is a BRUSH,ELECTRICAL CONTACT.
What parts can replace C2747?
There are 15 known substitutes for C2747: 18943, 7-311411010-3, C2747 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C2747?
C2747 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-228-3308. 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