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26146 — COUPLING,PIPE

✓ Government record, cited
Trefl · ORING SEAL
PRODUCT OVERVIEW

26146: COUPLING,PIPE.

Premium quality is achieved by using appropriate thick cardboard, a special non-reflective layer, and puzzle pieces’ perfect fitting. Key specifications include end_item_identification: 3895016131203. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-542-3443, 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
26146
NSN: 5330-00-542-3443
NIINs: 005423443, 016222990
FSC: 5330 — Packing and Gasket Materials
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
end_item_identification3895016131203
NSN5330-00-542-3443
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 26146 MFR: Trefl ⚠ 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
•
SEAL WIDTH: 0.438 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
OUTSIDE DIAMETER: 3.379 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 3.374 INCHES NOMINAL IN
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ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
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CASE STYLE: SQUARE
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ACCOMMODATED SHAFT DIAMETER: 2.625 INCHES NOMINAL IN
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SURFACE TREATMENT: PLASTIC CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.438 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
OUTSIDE DIAMETER3.379 INCHES NOMINAL IN
HOUSING BORE DIAMETER3.374 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER2.625 INCHES NOMINAL IN
SURFACE TREATMENTPLASTIC CASE
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 2
222614Reference document
Same NSN cross-reference
Reference document — Secondary reference
338220M1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 26146?
26146 is a COUPLING,PIPE manufactured by Trefl.
What parts can replace 26146?
There are 2 known substitutes for 26146: 222614, 338220M1. Substitute compatibility should be verified for your specific system.
What is the NSN for 26146?
26146 is cataloged in the U.S. Government catalog under NSN 5330-00-542-3443. This indicates validated use in U.S. government and defense supply chains.
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