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Technical Data Sheet
HR22591 ✓ 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 HR22591 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-218-5743, 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
HR22591
NSN: 5330-00-218-5743
FSC: 5330
CAGE: 51228 — ECOLAIRE INC BALDWIN-HAMILTON CO DIV (USA)
SPECIFICATIONS
Part NumberHR22591
NSN5330-00-218-5743
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HR22591 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
A-A-58049-IIIInterchangeable
interchangeable cross-reference
interchangeable
78675Interchangeable
interchangeable cross-reference
interchangeable
28324Interchangeable
interchangeable cross-reference
interchangeable
4685-1824Interchangeable
interchangeable cross-reference
interchangeable
1824Interchangeable
interchangeable cross-reference
interchangeable
600-28405 ITEM 12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HR22591?
HR22591 is a HR22591.
What parts can replace HR22591?
There are 11 known substitutes for HR22591: A-A-58049-III, 78675, 28324 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HR22591?
HR22591 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-218-5743. This indicates validated use in U.S. government and defense supply chains.
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