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Technical Data Sheet
2CK43 ✓ 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 RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, peripheral_diameter: 1.065 INCHES NOMINAL IN, center_hole_diameter: 0.887 INCHES MINIMUM AND 0.899 INCHES MAXIMUM IN, cross-sectional_height: 0.053 INCHES NOMINAL IN, material_document_and_classification: N300-90 CAGEC 02697 MFR REF SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-203-3061, 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
2CK43
NSN: 5330-01-203-3061
FSC: 5330
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
peripheral_diameter1.065 INCHES NOMINAL IN
center_hole_diameter0.887 INCHES MINIMUM AND 0.899 INCHES MAXIMUM IN
cross-sectional_height0.053 INCHES NOMINAL IN
material_document_and_classificationN300-90 CAGEC 02697 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-203-3061
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2CK43 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 DOCUMENT AND CLASSIFICATION: N300-90 CAGEC 02697 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
CROSS-SECTIONAL HEIGHT: 0.053 INCHES NOMINAL IN
CENTER HOLE DIAMETER: 0.887 INCHES MINIMUM AND 0.899 INCHES MAXIMUM IN
PERIPHERAL DIAMETER: 1.065 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONN300-90 CAGEC 02697 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
CROSS-SECTIONAL HEIGHT0.053 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.887 INCHES MINIMUM AND 0.899 INCHES MAXIMUM IN
PERIPHERAL DIAMETER1.065 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
191Interchangeable
interchangeable cross-reference
interchangeable
00-928-003-00Interchangeable
interchangeable cross-reference
interchangeable
004-91001Interchangeable
interchangeable cross-reference
interchangeable
49-1001Interchangeable
interchangeable cross-reference
interchangeable
7-755-118609Interchangeable
Same NIIN cross-reference
interchangeable
77558118609Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2CK43?
2CK43 is a RETAINER,PACKING.
What parts can replace 2CK43?
There are 6 known substitutes for 2CK43: 191, 00-928-003-00, 004-91001 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2CK43?
2CK43 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-203-3061. This indicates validated use in U.S. government and defense supply chains.
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