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026861 — TANK,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

026861: TANK,EXPANSION.

The TANK,EXPANSION is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: COPPER 24.250 OVERALL LENGTH,WITH AC 7 LB PRESSURE CAP (RC-19FOR HEAT EXCHANGER ASSEMBLY LBS. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-328-7783, 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
026861
NSN: 5330-00-328-7783
NIINs: 003287783, 010441024
FSC: 5330 — Packing and Gasket Materials
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCOPPER 24.250 OVERALL LENGTH,WITH AC 7 LB PRESSURE CAP (RC-19FOR HEAT EXCHANGER ASSEMBLY LBS
NSN5330-00-328-7783
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 026861 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
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
•
CENTER HOLE DIAMETER: 14.032 INCHES MINIMUM AND 14.092 INCHES MAXIMUM IN
•
MATERIAL: RUBBER OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEO-RING
CENTER HOLE DIAMETER14.032 INCHES MINIMUM AND 14.092 INCHES MAXIMUM IN
MATERIALRUBBER OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
145106-280ESReference document
Same NSN cross-reference
Reference document — Secondary reference
SRCBZ1270Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 026861?
026861 is a TANK,EXPANSION.
What parts can replace 026861?
There are 2 known substitutes for 026861: 145106-280ES, SRCBZ1270. Substitute compatibility should be verified for your specific system.
What is the NSN for 026861?
026861 is cataloged in the U.S. Government catalog under NSN 5330-00-328-7783. This indicates validated use in U.S. government and defense supply chains.
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