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Technical Data Sheet
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26313 ✓ Verified by PartsTable
Clementoni · 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 SEAL,PLAIN ENCASED is a Clementoni industrial component. Key specifications include material: RUBBER CARBOXYLIC-NITRILE-BUTADIENE CLASS XNBR OVERALL, case_style: RECESSED, seal_width: 0.438 INCHES NOMINAL IN, outside_diameter: 3.881 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 3.876 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-1622, 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
26313
NSN: 5330-00-291-1622
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialRUBBER CARBOXYLIC-NITRILE-BUTADIENE CLASS XNBR OVERALL
case_styleRECESSED
seal_width0.438 INCHES NOMINAL IN
outside_diameter3.881 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter3.876 INCHES NOMINAL IN
sealing_element_styleVERTICAL
attachment_hole_diameter2.625 INCHES NOMINAL IN
accommodated_shaft_diameter2.625 INCHES NOMINAL IN
attachment_feature_circle_diameter3.881 INCHES NOMINAL SINGLE CIRCLE IN
NSN5330-00-291-1622
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 26313 MFR: Clementoni ⚠ 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
•
SURFACE TREATMENT: PLASTIC CASE
•
ACCOMMODATED SHAFT DIAMETER: 2.625 INCHES NOMINAL IN
•
ATTACHMENT HOLE DIAMETER: 2.625 INCHES NOMINAL IN
•
MATERIAL: RUBBER CARBOXYLIC-NITRILE-BUTADIENE CLASS XNBR OVERALL
•
SEAL WIDTH: 0.438 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: VERTICAL
•
ATTACHMENT FEATURE CIRCLE DIAMETER: 3.881 INCHES NOMINAL SINGLE CIRCLE IN
•
CASE STYLE: RECESSED
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTPLASTIC CASE
ACCOMMODATED SHAFT DIAMETER2.625 INCHES NOMINAL IN
ATTACHMENT HOLE DIAMETER2.625 INCHES NOMINAL IN
MATERIALRUBBER CARBOXYLIC-NITRILE-BUTADIENE CLASS XNBR OVERALL
SEAL WIDTH0.438 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL
ATTACHMENT FEATURE CIRCLE DIAMETER3.881 INCHES NOMINAL SINGLE CIRCLE IN
CASE STYLERECESSED
HOUSING BORE DIAMETER3.876 INCHES NOMINAL IN
OUTSIDE DIAMETER3.881 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
7-444-000640Interchangeable
interchangeable cross-reference
interchangeable
ASME B16.3Interchangeable
interchangeable cross-reference
interchangeable
7884-59-1Interchangeable
interchangeable cross-reference
interchangeable
11-2-24Interchangeable
interchangeable cross-reference
interchangeable
AN3051-24Interchangeable
interchangeable cross-reference
interchangeable
54-10008Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 26313?
26313 is a SEAL,PLAIN ENCASED manufactured by Clementoni.
What parts can replace 26313?
There are 22 known substitutes for 26313: 7-444-000640, ASME B16.3, 7884-59-1 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 26313?
26313 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-1622. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026